Dales District Council

2020 Air Quality Annual Status Report (ASR)

In fulfilment of Part IV of the Environment Act 1995 Local Air Quality Management

June 2020

LAQM Annual Status Report 2020 District Council

Local Authority Karen Carpenter Officer Department Regulatory Services Town Hall, Bank Road, Matlock, Derbyshire. Address DE4 3NN Telephone 01629 761212

E-mail [email protected] Report Reference n/a number Date June 2020

LAQM Annual Status Report 2020 Derbyshire Dales District Council

Executive Summary: Air Quality in Our Area Air Quality in Derbyshire Dales District Council

Air pollution is associated with a number of adverse health impacts. It is recognised as a contributing factor in the onset of heart disease and cancer. Additionally, air pollution particularly affects the most vulnerable in society: children and older people, and those with heart and lung conditions. There is also often a strong correlation with equalities issues, because areas with poor air quality are also often the less affluent areas1,2.

The annual health cost to society of the impacts of particulate matter alone in the UK is estimated to be around £16 billion3.

Derbyshire Dales is primarily a rural area with a total population in the region of 70,000. The total area of the District is approximately 780 square kilometres and half of the District is within the National Park.

The District is situated within the East and is bounded by the local councils of High Peak Borough, City, District, Borough, District, East District and District.

There is a strong tradition of agricultural and a long history of mineral extraction. Vein minerals are still extracted today, primarily to provide fluorspar for use in the chemical and steel industries and limestone is extensively quarried for aggregate. Where the purity of calcium carbonate is high, fine powders are produced for use in industries such as glass making, foodstuffs and pharmaceuticals. Light industry has developed at a number of sites, notably the Airfield Industrial Estate in Ashbourne. During 2019 we regulated 57 installations under the Environmental Permitting Regulations 2016.

The road network in the District is extensive with the A623, A6, A52 and A50 acting as important links between the North West and the , although there are no

1 Environmental equity, air quality, socioeconomic status and respiratory health, 2010 2 Air quality and social deprivation in the UK: an environmental inequalities analysis, 2006 3 Defra. Abatement cost guidance for valuing changes in air quality, May 2013

LAQM Annual Status Report 2020 1 Derbyshire Dales District Council motorways. The Hope Valley railway line passes through the north of the District and local trains serve and , and Matlock is the terminus of a branch line from . is a voluntary organisation that operates trains on a five kilometre section of track between Matlock and South using steam and diesel traction. The Ecclesbourne Valley Railway is operating part of the branch line between and Duffield.

Derbyshire Dales also has a large lead smelting business in the area, H.J.Enthoven & Sons. H.J.Enthoven & Sons is an A1 process regulated by the Environment Agency under the Environmental Permitting Regulations 2016 and is the largest single site producer of recycled lead in Europe. Lead levels have declined significantly in recent times due to work undertaken by the company.

Nitrogen oxide diffusion tubes continue to be used and levels remain consistent for most sites, however, an extra 4 tubes have been deployed in August 2019 as part of undertaking a detailed assessment of air quality in the area due to exceedances obtained from a tube placed on Road. A modelling assessment and report from the results obtained from the additional Nox tubes was planned before the reporting deadline of 30 June. However, this has temporarily been put on hold due to the effects of the Covid-19 pandemic. This has been in consultation with the DEFRA helpdesk who have advised against undertaking any modelling at present due to the under reporting effects of the pandemic. This work will now be undertaken within the 2020 reporting year.

We continue to work closely with our partners in the County Council and other agencies and do this through being an active member of the local Derbyshire Pollution Officer Group, the Derbyshire Air Quality Network and local liaison groups.

Actions to Improve Air Quality

Air Quality in Derbyshire Dales is generally good, however, Derbyshire Dales District Council has now incorporated climate change as one of the priority objectives. This will hopefully have a positive influence on air quality in the area as associated actions are implemented. A pledge to be carbon neutral by 2030 has been agreed and a Climate Change Working Group has been set up. The focus will be on Transport,

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Estates, Planning Policy and Housing Policy. A Countywide group has also been set up.

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In addition, the East Midlands Air Quality Planning Guide has recently been finalised and we are working towards this being implemented through the planning system in all local authorities in the region, including Derbyshire Dales.

Conclusions and Priorities

In the coming year we continue to monitor 20 locations with passive diffusion tubes. Our Wirksworth tube will be re-deployed in another location as the current location is very low and the local community have requested a relocation. A detailed assessment for Buxton Road, Ashbourne, including a modelling exercise is planned to be submitted in the next reporting year. This has currently been put on hold due to the risk of under reporting following the covid-19 pandemic.

We will continue to further out climate change agenda focussing on Transport, Estates, Planning Policy and Housing Policy. We are currently drafting our strategy and action plan for this policy area.

Local Engagement and How to get Involved

Information about air quality is available on our website at http://www.derbyshiredales.gov.uk/environment-and-waste/pollution-noise/air- pollution.

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Buxton Road, Ashbourne

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Table of Contents

Executive Summary: Air Quality in Our Area ...... 1 Air Quality in Derbyshire Dales District Council ...... 1 Actions to Improve Air Quality ...... 2 Conclusions and Priorities ...... 4 Local Engagement and How to get Involved ...... 4 1 Local Air Quality Management ...... 8 2 Actions to Improve Air Quality ...... 9 2.1 Air Quality Management Areas ...... 9 2.2 Progress and Impact of Measures to address Air Quality in Derbyshire Dales District Council ...... 10

2.3 PM2.5 – Local Authority Approach to Reducing Emissions and/or Concentrations...... 14 3 Air Quality Monitoring Data and Comparison with Air Quality Objectives and National Compliance ...... 14 3.1 Summary of Monitoring Undertaken ...... 15 3.1.1 Automatic Monitoring Sites ...... 15 3.1.2 Non-Automatic Monitoring Sites...... 15 3.2 Individual Pollutants ...... 15

3.2.1 Nitrogen Dioxide (NO2)...... 15

3.2.2 Particulate Matter (PM10) ...... 16

3.2.3 Particulate Matter (PM2.5) ...... 16

3.2.4 Sulphur Dioxide (SO2) ...... Error! Bookmark not defined. Appendix A: Monitoring Results ...... 18 Appendix B: Full Monthly Diffusion Tube Results for 2019 ...... 24 Appendix C: Supporting Technical Information / Air Quality Monitoring Data QA/QC ...... 26 Appendix D: Map(s) of Monitoring Locations and AQMAs ...... 27 Appendix E: Summary of Air Quality Objectives in ...... 37 Glossary of Terms ...... 38 References ...... 39

List of Tables Table 2.1 – Declared Air Quality Management Areas .. Error! Bookmark not defined. Table 2.2 – Progress on Measures to Improve Air Quality ...... 12

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Table A.1 - Details of Automatic Monitoring Sites ...... Error! Bookmark not defined. Table A.2 – Details of Non-Automatic Monitoring Sites ...... 18 Table A.3 – Annual Mean NO2 Monitoring Results ...... 20 Table A.4 – 1-Hour Mean NO2 Monitoring Results ...... Error! Bookmark not defined. Table A.5 – Annual Mean PM10 Monitoring Results..... Error! Bookmark not defined. Table A.6 – 24-Hour Mean PM10 Monitoring Results ... Error! Bookmark not defined. Table A.7 – PM2.5 Monitoring Results ...... Error! Bookmark not defined. Table A.8 – SO2 Monitoring Results ...... Error! Bookmark not defined.

Table B.1 - NO2 Monthly Diffusion Tube Results - 2019 ...... 24

Table E.1 – Air Quality Objectives in England ...... 37

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1 Local Air Quality Management This report provides an overview of air quality in Derbyshire Dales District Council during 2019. It fulfils the requirements of Local Air Quality Management (LAQM) as set out in Part IV of the Environment Act (1995) and the relevant Policy and Technical Guidance documents.

The LAQM process places an obligation on all local authorities to regularly review and assess air quality in their areas, and to determine whether or not the air quality objectives are likely to be achieved. Where an exceedance is considered likely the local authority must declare an Air Quality Management Area (AQMA) and prepare an Air Quality Action Plan (AQAP) setting out the measures it intends to put in place in pursuit of the objectives. This Annual Status Report (ASR) is an annual requirement showing the strategies employed by Derbyshire Dales District Council to improve air quality and any progress that has been made.

The statutory air quality objectives applicable to LAQM in England can be found in Table E.1 in Appendix E.

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2 Actions to Improve Air Quality 2.1 Air Quality Management Areas

Air Quality Management Areas (AQMAs) are declared when there is an exceedance or likely exceedance of an air quality objective. After declaration, the authority must prepare an Air Quality Action Plan (AQAP) within 12-18 months setting out measures it intends to put in place in pursuit of compliance with the objectives.

Derbyshire Dales District Council currently does not have any AQMAs.. For reference, a map of Derbyshire Dales District Council’s monitoring locations is available in Appendix D.

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2.2 Progress and Impact of Measures to address Air Quality in Derbyshire Dales District Council

Defra’s appraisal of last year’s ASR concluded

The report is well structured, detailed, and provides the information specified in the Guidance. The following comments are designed to help inform future reports.

1. Five years worth of NO2 monitoring data is presented in Table A.1. A graph to present the data and some discussion of the trends would be welcome in future reports. 2. The diffusion tube mapping is comprehensive and clearly demonstrates the locations. 3. The decision to deploy extra tubes around the Buxton Road monitoring location where there was an exceedance is encouraged, and the corresponding detailed assessment. 4. It is encouraging to see the Council planning additional monitoring in Matlock in response to the submission of a large-scale mixed development planning application. 5. Three diffusion tube sites were distance corrected to relevant exposure. The

calculations could be provided for this in future reports. The column giving NO2 annual means after distance correction in Table B.1 doesn’t need to provide the distance to exposure. It should be the concentration after correction if it necessary. 6. QA/QC of diffusion tube monitoring needs to be updated with the results of the AIR-PT scheme for the relevant year. 100% of the results submitted by Gradko in 2018 were determined to be satisfactory. 7. The diffusion tube results were bias corrected using the nationally derived factor 0.92. Evidence of the spreadsheet could be given in future reports.

Derbyshire Dales District Council has taken forward a number of direct measures during the current reporting year of 2019 in pursuit of improving local air quality. Details of all measures completed, in progress or planned are set out in Table 2.1.

Derbyshire Dales District Council expects the following measures to be completed over the course of the next reporting year:

 A detailed assessment for Buxton Road Ashbourne.

 Relocation of Wirksworth passive diffusion tube

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Derbyshire Dales District Council’s priorities for the coming year are

 Remain an active participant in the County multi-disciplinary air quality group

 Take forward climate change agenda by production of a strategy and action plan

The principal challenges and barriers to implementation that Derbyshire Dales District Council anticipates facing are delays due to the Covid-19 pandemic.

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Table 2.1 – Progress on Measures to Improve Air Quality

Reduction in Estimated / Date Key Comments / EU Organisations Funding Pollutant / Actual Measure No. Measure EU Category Measure Performance Progress to Date Barriers to Classification involved Source Emission from Completion Introduced Indicator implementation Measure Date 1 Car share Alternative to Car share Derbyshire n/a In place n/a Nox/particulates In use Completed private vehicle scheme County use Council 2 Bike to Promoting travel Promoting Derbyshire n/a In place n/a nox/particulates Debyshire Dales Completed work alternatives l cycling Dales link up with scheme District Derbyshire County Council/ Council Derbyshire County Council 3 Derbyshire Policy Guidance Regional Local 2016 onwards ongoing n/a n/a Planning Guidance ongoing Action planning County and Groups Co- authorities completed, underway Development ordinating planning policy now Control programmes to part of focus of the develop Area climate change wide Strategies agenda and focus to reduce will be part of this emissions and improve air quality 4 Agile Promoting travel Promoting Derbyshire 2014 ongoing n/a nox/particulates completed working alternatives l work at home Dales District Council 5 Derbyshire Policy Guidance Air Quality Local 2016 onwards 2019 To be adopted by Nox/particulates Work ongoing with ongoing County and Planning and authorities onwards all local the Derbyshire Air Development Policy authorities in the Quality Group Control Guidance region reporting annually to the Health and Wellbeing Board 6 Promoting Promoting travel Promoting Derbyshire Ongoing Ongoing n/a Nox/particulates The Derbyshire 2030 travel alternatives Cycling County Cycling plan has alternatives Council been developed by a range of partners across all of derbyshire. This is committed to getting more cycle use by 2030 7 Sustainable Promoting travel Promoting Derbyshire ongoing ongoing n/a Nox/particulates Team of ongoing travel alternatives travel County professionals Smarter alternatives Council working with Choices businesses, and other organisations, to develop workplace travel plans and to promote flexible working practises. Access to STARSFor, an

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online Travel Planning toolkit. Advice and assistance with complementary areas of work, including road safety, public 8 Industrial Environmental Other measure LA n/a ongoing All sites rated particulates Ongoing ongoing emissions Permits through permit Environme low/medium enforcement of systems and ntal Health current regulations economic instruments 9 Council Other Other Derbyshire 2019 onwards ongoing n/a carbon Agreement to 2030 Priority Dales pursue carbon Area - District neutral status by Climate Council 2030 and Action change plans and Strategy in the process of being drawn up. Focus areas will be transport, planning policy, estates and housing policy.

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2.3 PM2.5 – Local Authority Approach to Reducing Emissions and/or Concentrations

As detailed in Policy Guidance LAQM.PG16 (Chapter 7), local authorities are expected to work towards reducing emissions and/or concentrations of PM2.5 (particulate matter with an aerodynamic diameter of 2.5µm or less). There is clear evidence that PM2.5 has a significant impact on human health, including premature mortality, allergic reactions, and cardiovascular diseases.

Derbyshire Dales District Council is taking the following measures to address PM2.5:

 A partnership of local authorities in Derbyshire linked with Public Health England and other partner agencies to create an Air Quality working Group. The aim is to raise the profile of air quality and make air quality a priority for the local Health and Wellbeing Boards.

 Planning policy guidance for adoption by local planning authorities. This is now complete.

 Annual County Air Quality Report taken to the local Health and Wellbeing Board. This has encompassed the work to map current work on air quality and look at what further work can be undertaken going forwards.

 Development and implementation of a County low emission infrastructure strategy to support the acceleration of LEVs locally

 Development and implementation of a County strategic plan for cycling to ensure continued investment in infrastructure  Promote the uptake of ebikes

 Active travel promotion engagement with schools and workplaces  Increased public awareness of the impact of solid fuel burning

 Healthy homes project replacing coal heating

 Climate change agenda

LAQM Annual Status Report 2020 14 Derbyshire Dales District Council 3 Air Quality Monitoring Data and Comparison with Air Quality Objectives and National Compliance 3.1 Summary of Monitoring Undertaken

3.1.1 Automatic Monitoring Sites

Derbyshire Dales District Council does not have any automatic monitoring sites.

3.1.2 Non-Automatic Monitoring Sites

Derbyshire Dales District Council undertook non- automatic (passive) monitoring of

NO2 at 20 sites during 2019. Table A.1 in Appendix A shows the details of the sites.

Maps showing the location of the monitoring sites are provided in Appendix D. Further details on Quality Assurance/Quality Control (QA/QC) for the diffusion tubes, including bias adjustments and any other adjustments applied (e.g. “annualisation” and/or distance correction), are included in Appendix C.

3.2 Individual Pollutants

The air quality monitoring results presented in this section are, where relevant, adjusted for bias4, “annualisation” (where the data capture falls below 75%), and distance correction5. Further details on adjustments are provided in Appendix C.

3.2.1 Nitrogen Dioxide (NO2)

Table A.2 in Appendix A compares the ratified and adjusted monitored NO2 annual mean concentrations for the past 5 years with the air quality objective of 40µg/m3. Note that the concentration data presented in Table A.2 represents the concentration at the location of the monitoring site, following the application of bias adjustment and annualisation, as required (i.e. the values are exclusive of any consideration to fall-off with distance adjustment).

For diffusion tubes, the full 2019 dataset of monthly mean values is provided in Appendix B. Note that the concentration data presented in Table B.1 includes distance corrected values, only where relevant.

Buxton Road in Ashbourne continues to exceed the annual the air quality objective and so 4 additional tubes were posted in 2019 as part of a detailed assessment in

4 https://laqm.defra.gov.uk/bias-adjustment-factors/bias-adjustment.html 5 Fall-off with distance correction criteria is provided in paragraph 7.77, LAQM.TG(16)

LAQM Annual Status Report 2020 15 Derbyshire Dales District Council the area to establish the extent of the exceedance. Results are available from August 2019. A detailed assessment including modelling is planned, however, this has now been delayed until the next reporting period due to the Covid-19 pandemic. This decision has been taken in full consultation with the LAQM helpdesk. This has been taken to minimise the risk of under-reporting due to the national lockdown. Extra tubes have also been deployed in Matlock, the Bow and Dale Road sites being representative of pedestrianised areas near busy roads. The Bow site was deployed initially but as the results were low I was requested by a Town Councillor to move this to Dale Road. This has been undertaken. The Dale Road tube is on the cusp of exceeding the annual average. However, as this is a kerbside location this tube is an indicative deployment to assess pedestrian safety and so I would be looking to maintain the figure of 60µm or less.

3.2.2 Particulate Matter (PM10)

Derbyshire Dales District Council do not undertake any monitoring.

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3.2.3 Particulate Matter (PM2.5)

Derbyshire Dales District Council do not undertake any monitoring.

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Appendix A: Monitoring Results

Table A.1 – Details of Non-Automatic Monitoring Sites

Tube Distance to Distance X OS Grid Y OS Grid collocated Pollutants In Relevant to kerb of Height Site ID Site Name Site Type Ref Ref with a Monitored AQMA? Exposure nearest (m) (Easting) (Northing) Continuous (m) (1) road (m) (2) Analyser?

Chesterfield 1 Roadside 430005 360103 NO2 NO 0 1 NO 1.5 Road Church St, 2 Roadside 430256 359722 NO2 NO 0 2 NO 1.5 Starkholmes House of Fun, 3 Roadside 429815 359986 NO2 NO 0 11 NO 1.5 Matlock 4 Bow, Matlock Kerbside 430280 360791 NO2 NO n/a 2 NO 1.5 Dale Road, 4 Kerbside 430280 360791 NO2 NO n/a 2 NO 1.5 Matlock North Parade, 5 Roadside 429303 358208 NO2 NO 0 6 NO 1.5 Matlock Urban 6 429435 356820 NO2 NO 0 5 NO 1.5 Institute Centre Wirksworth Jnr 7 Other 428762 354639 NO2 NO 0 2 NO 1.5 School King Urban 8 Street/Buxton 418015 346854 NO2 NO 0 1 NO 1.5 Centre Road Cancer Shop, 9 Kerbside 418216 346864 NO2 NO n/a 2 NO 1.5 Buxton Road Taylor Court, 10 Roadside 418186 346368 NO2 NO 2 6 NO 1.5 Ashbourne

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St Johns St, Urban 11 418172 346797 NO2 NO 0 1 NO 1.5 Ashbourne Background Buxton Road, 12 Roadside 417978 346962 NO2 NO 0 1 NO 1.5 Ashbourne Matlock St, 13 Roadside 421856 368343 NO2 NO 0 6 NO 1.5 , A619 Urban 14 425979 372219 NO2 NO 0 2 NO 1.5 Nether End Centre Lovers Leap Urban 15 Garage, Stoney 422608 375645 NO2 NO 10 25 NO 1.5 Centre Middleton 15 Darley Bridge Roadside 422598 375663 NO2 NO 0 1 NO 1.5 Butchers High Urban 16 423063 375416 NO2 NO 1 2 NO 1.5 St, Stoney Mid Centre 17 The Edge, Rural 421572 376920 NO2 NO 0 23 NO 1.5 Twiggs, Urban 18 Bakewell Road, 429563 360411 NO2 NO 0 8 NO 1.5 Centre Matlock 1/7 Road Sign 19 Opp 25 Buxton Kerbside 417961 347005 NO2 NO 18 0.5 NO 1.5 Road Windmill Ln / 20 Kerbside 417930 347084 NO2 NO 9 1 NO 1.5 Buxton Road

Notes: (1) 0m if the monitoring site is at a location of exposure (e.g. installed on the façade of a residential property).

(2) N/A if not applicable.

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Table A.2 – Annual Mean NO2 Monitoring Results Valid Data Valid 3 (3) (4) Capture NO2 Annual Mean Concentration (µg/m ) X OS Grid Y OS Grid Data Monitoring for Site ID Ref Ref Site Type Capture Type Monitoring (Easting) (Northing) 2019 (%) Period (%) 2015 2016 2017 2018 2019 (2) (1)

Diffusion 1 430005 360103 Roadside 90 70 48.1 44.1 43.2 27.02 Tube Diffusion 2 430256 359722 Roadside 100 100 26.29 27.95 31.38 27.96 27.14 Tube Diffusion 3 429815 359986 Roadside 100 100 20.05 19.79 22.71 19.34 18.60 Tube Diffusion 4 430280 360791 Kerbside 100 40 25.24 Tube Diffusion 4 430280 360791 Kerbside 100 30 37.80 Tube Diffusion 5 429303 358208 Roadside 85 85 21.91 18.48 20.92 18.8 19.01 Tube Urban Diffusion 6 429435 356820 100 100 24.94 25.26 23.69 24.26 24.76 Centre Tube Diffusion 7 428762 354639 Other 100 46 10.30 Tube Urban Diffusion 8 418015 346854 100 40 24.93 Centre Tube Diffusion 9 418216 346864 Kerbside 100 40 14.06 12.34 15.04 0 28.81 Tube Diffusion 10 418186 346368 Roadside 100 100 27.24 24.92 26.94 24.71 22.84 Tube Urban Diffusion 11 418172 346797 100 92 31.33 29.64 31.82 25.45 27.23 Background Tube Diffusion 12 417978 346962 Roadside 100 100 49.37 47.00 Tube

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Diffusion 13 421856 368343 Roadside 100 100 16.61 18 19.63 16.62 15.75 Tube Urban Diffusion 14 425979 372219 100 100 29.82 26.07 27.37 26.49 25.60 Centre Tube Urban Diffusion 15 422608 375645 100 40 22.48 22.75 23.63 23.3 19.03 Centre Tube Diffusion 15 422598 375663 Roadside 100 40 21.75 22 20.85 21.25 16.08 Tube Urban Diffusion 16 423063 375416 92 92 21.75 22 20.85 21.25 19.77 Centre Tube Diffusion 17 421572 376920 Rural 92 92 6.63 8.3 9.71 7.53 6.24 Tube Urban Diffusion 18 429563 360411 100 92 22.78 23.64 24.71 23.96 21.53 Centre Tube Diffusion 19 417961 347005 Kerbside 100 40 57.42 Tube Diffusion 20 417930 347084 Kerbside 100 40 25.36 Tube

CLICK HERE THEN PASTE COMPLETED DATA ROWS FROM EXCEL TEMPLATE

☒ Diffusion tube data has been bias corrected (confirm by selecting in box) ☒ Annualisation has been conducted where data capture is <75% (confirm by selecting in box) ☒ Reported concentrations are those at the location of the monitoring site (bias adjusted and annualised, as required), i.e. prior to any fall-off with distance adjustment (confirm by selecting in box)

Notes: 3 Exceedances of the NO2 annual mean objective of 40µg/m are shown in bold. 3 NO2 annual means exceeding 60µg/m , indicating a potential exceedance of the NO2 1-hour mean objective are shown in bold and underlined. (1) Data capture for the monitoring period, in cases where monitoring was only carried out for part of the year. (2) Data capture for the full calendar year (e.g. if monitoring was carried out for 6 months, the maximum data capture for the full calendar year is 50%).

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(3) Means for diffusion tubes have been corrected for bias. All means have been “annualised” as per Boxes 7.9 and 7.10 in LAQM.TG16 if valid data capture for the full calendar year is less than 75%. See Appendix C for details. (4) Concentrations are those at the location of monitoring and not those following any fall-off with distance adjustment.

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Appendix B: Full Monthly Diffusion Tube Results for 2019

Table B.1 - NO2 Monthly Diffusion Tube Results - 2019

3 NO2 Mean Concentrations (µg/m ) Annual Mean

X OS Y OS Grid Bias Distance Site Grid Ref Ref Adjusted Corrected ID (Easting) (Northing) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Raw (factor) to Data and Nearest Annualised Exposure (1) (2)

1 430005 360103 34.11 27.91 27.23 28.68 22.72 27.68 39.66 <0.62 45.61 28.25 27.02

2 430256 359722 38.05 32.15 35.15 31.35 23.72 27.22 11.74 25.77 30.40 31.60 36.32 34.27 29.50 27.14 3 429815 359986 24.87 26.23 19.38 19.36 17.45 16.27 15.35 17.78 18.51 21.79 25.04 23.01 20.22 18.60 4 430280 360791 19.08 19.24 22.86 22.17 21.11 25.24 4 430280 360791 40.07 40.73 48.58 45.69 43.77 37.80 5 429303 358208 26.72 20.90 19.82 19.94 18.22 15.40 16.47 19.61 21.89 24.75 23.60 20.67 19.01 6 429435 356820 33.47 31.04 29.54 24.75 23.88 23.82 23.71 23.95 23.84 27.94 30.75 29.18 26.91 24.76 7 428762 354639 7.05 9.42 9.40 15.43 13.30 10.28 10.30 8 418015 346854 21.60 23.55 26.48 32.19 27.75 26.31 24.93 9 418216 346864 28.79 27.69 29.50 32.61 33.42 30.40 28.81 10 418186 346368 32.56 28.55 28.21 20.55 19.88 20.49 19.62 20.29 23.13 25.60 33.88 29.65 24.82 22.84 23.3 11 418172 346797 39.45 34.20 32.84 missing 26.12 25.41 25.20 25.43 26.30 30.16 30.98 33.68 29.60 27.23 12 417978 346962 61.61 56.83 53.14 41.21 41.34 55.71 50.99 54.09 48.69 45.11 46.53 54.79 51.09 47.00 13 421856 368343 24.54 21.67 16.02 15.51 15.80 12.58 14.49 11.96 16.02 18.59 23.79 19.55 17.11 15.75

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14 425979 372219 30.64 26.81 29.91 32.31 25.56 26.11 23.64 25.23 24.26 27.60 33.47 30.94 27.82 25.60 15 422608 375645 27.34 26.04 22.51 25.61 21.65 24.63 19.03 19.0

15 422598 375663 10.54 15.77 18.47 23.24 16.84 16.97 16.08 16 423063 375416 24.99 21.41 20.97 18.31 16.46 16.97 18.88 22.92 25.36 27.13 25.55 21.48 19.77 19.70 17 421572 376920 10.71 7.10 8.46 6.41 4.63 5.13 4.14 6.42 6.54 10.45 7.28 6.78 6.24 18 429563 360411 25.87 24.14 23.84 21.40 18.82 20.01 19.74 22.92 26.14 30.10 28.07 23.40 21.53 19 417961 347005 60.86 56.65 63.64 57.48 64.42 60.61 57.42 35.00 20 417930 347084 26.66 27.01 24.10 26.03 30.00 26.76 25.36 22.50

☒ Local bias adjustment factor used ☒ National bias adjustment factor used ☒ Annualisation has been conducted where data capture is <75% ☒ Where applicable, data has been distance corrected for relevant exposure in the final column

Notes: 3 Exceedances of the NO2 annual mean objective of 40µg/m are shown in bold. 3 NO2 annual means exceeding 60µg/m , indicating a potential exceedance of the NO2 1-hour mean objective are shown in bold and underlined. (1) See Appendix C for details on bias adjustment and annualisation. (2) Distance corrected to nearest relevant public exposure.

Note: August includes 2 capture periods averaged as we remove tubes every 4 weeks.

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Appendix C: Supporting Technical Information / Air Quality Monitoring Data QA/QC Diffusion Tube Bias Adjustment Factors

Tubes are provided and analysed by Gradko International Ltd and are prepared using 20% triethanolamine (TEA) in water. Results for each tube have been corrected for bias using a factor of 0.92 for 2019 as detailed on the National Diffusion Tube Bias Adjustment Factor Spreadsheet accessed June 2020.

QA/QC of Diffusion Tube Monitoring

Gradko actively participated in, and provided input to, the Working Group on Harmonisation of Diffusion Tubes (AEA 2008). Gradko also demonstrated “Good” performance in the WASP scheme for the analysis of nitrogen dioxide diffusion tubes for 2013 in all but one case.

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Appendix D: Map(s) of Monitoring Locations and AQMAs

NOx diffusion tube monitoring locations

Matlock(3)

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Matlock (2)

Matlock Bath (5)

Cromford (6)

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Wirksworth (8)

Hulland (9)

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Ashbourne (10)

Ashbourne (11)

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Bakewell (13)

Baslow (14)

Stoney Middleton (15 & 16)

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Eyam (17)

Matlock (18)

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Appendix E: Summary of Air Quality Objectives in England

Table E.1 – Air Quality Objectives in England Air Quality Objective6 Pollutant Concentration Measured as 200 µg/m3 not to be exceeded more Nitrogen Dioxide 1-hour mean than 18 times a year (NO2) 40 µg/m3 Annual mean 50 µg/m3, not to be exceeded more Particulate Matter 24-hour mean than 35 times a year (PM10) 40 µg/m3 Annual mean 350 µg/m3, not to be exceeded more 1-hour mean than 24 times a year Sulphur Dioxide 125 µg/m3, not to be exceeded more 24-hour mean (SO2) than 3 times a year 266 µg/m3, not to be exceeded more 15-minute mean than 35 times a year

6 The units are in microgrammes of pollutant per cubic metre of air (µg/m3).

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Glossary of Terms

Abbreviation Description

AQAP Air Quality Action Plan - A detailed description of measures, outcomes, achievement dates and implementation methods, showing how the local authority intends to achieve air quality limit values’

AQMA Air Quality Management Area – An area where air pollutant concentrations exceed / are likely to exceed the relevant air quality objectives. AQMAs are declared for specific pollutants and objectives

ASR Air quality Annual Status Report

Defra Department for Environment, Food and Rural Affairs

DMRB Design Manual for Roads and Bridges – Air quality screening tool produced by Highways England

EU European Union

FDMS Filter Dynamics Measurement System

LAQM Local Air Quality Management

NO2 Nitrogen Dioxide

NOx Nitrogen Oxides

PM10 Airborne particulate matter with an aerodynamic diameter of 10µm (micrometres or microns) or less

PM2.5 Airborne particulate matter with an aerodynamic diameter of 2.5µm or less

QA/QC Quality Assurance and Quality Control

SO2 Sulphur Dioxide

… …

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References

AEA (2008). Diffusion Tubes for Ambient NO2 Monitoring: Practical Guidance for Laboratories and Users.

DEFRA 2016, Technical Guidance LAQM.TG(16)

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