History and perspective of air quality in Milan and the Po Valley: scientific and management challenges Guido Lanzani
[email protected] Head of Air Quality Unit – Environmental Monitoring Area ARPA Lombardia Sandro Finardi
[email protected] ARIANET Gian Luca Gurrieri
[email protected] Head of Air Quality, Climate, Environ. sustainability Unit Lombardia Region 10 th International Conference on Air Quality: Science and application Milano March 15°, 2016 Milano and Lombardia: Where and how many Lombardia • Inhabitants: 9,9 milion Region • Population density: 419inab/km2 Milan • Inhabitants: 3,6 milion conurbation • Population density: 3.141inab/km2 – Po Valley: closed by mountains exceeding 2500 m a.s.l. on three sides – Meteorological conditions often adverse to air pollution dispersion History and perspective of air quality in Milan and the Po Valley – Important regional background (old and secondary). 2 Guido Lanzani – Sandro Finardi - Gian Luca Gurrieri Milano March 15 °, 2016 Meteorological conditions often adverse to air pollution dispersion Lack in wind Lack in wind comparisonFrequent 20 years very stable annualcomparison averagethermal wind 20 conditions years annual average wind Milano - Linate December 2015 Monthly mean temperature and humidity at 12:00 GMT Frequent very stable thermal conditions MI-Linate December 2015 Monthly mean temperature and History and perspective of air quality humidity at 12:00 GMT in Milan and the Po Valley 3 Guido Lanzani – Sandro Finardi - Gian Luca Gurrieri Milano