Smoke Outlook for 9/07 - 9/08 NE California Antelope Fire Issued at: 2021-09-07 08:14 PDT

Special Statement RED FLAG WARNING TODAY UNTIL 8PM FOR RELATIVE HUMIDITY IN THE SINGLE DIGITS AND STRONG GUSTY WINDS.

Fire Yesterday during mid/late morning hours containment lines were breached along the eastern flank of the Antelope Fire. Today anticipate active fire behavior across the region. Fire personnel remain alert while continuing to work hard at keeping the main fire contained, contain yesterdays slop over, protect important values at risk, and remain safe during forecast Red Flag Warning. Antelope Fire is 71,512 acres and 83% contained.

Smoke A forecast frontal passage over the area may continue to move out/cleanse weekend smoke then quickly bring in new plume smoke emissions from today's anticipated increased fire behavior. Expect improved air quality in McArthur, McCloud, Macdoel(?), Alturas, and Lakeview. Conditions may remain USG/Unhealthy with potential for brief clearing in Tennant, Tulelake, and Klamath Falls. Take advantage of periods when there is noticeable clear air to enjoy outdoor activities. For current air quality readings visit: fire.airnow.gov/. Daily AQI Forecast* for Sep 07, 2021 Health and Safety Consider actions to protect yourself. For more information go to the California Air Resource Board's page: Protecting Yourself from Wildfire Smoke Excessive smoke exposure could weaken the immune system.

Yesterday Mon Forecast* Tue Wed Station hourly 9/06 Comment for Today -- Tue, Sep 07 9/07 9/08

Klamath Unhealthy could see clearing to Moderate between 3 and 7 pm returning to Falls Unhealthy Beginning Unhealthy for Sensitive Groups/Moderate ending with Lakeview Moderate/Good Beginning Unhealthy with potential for some afternoon clearing to Moderate Tulelake return to Unhealthy/Unhealthy for Sensitive Groups this evening Beginning Moderate with potential for intermittent clearing overall Unhealthy Macdoel for Sensitive Groups Tennant Beginning Moderate may see Unhealthy for Sensitive Groups

Alturas Beginning Moderate/Good afternoon Unhealthy for Sensitive Groups/Unhealthy evening Moderate/Good McCloud Beginning Good potential to see Unhealthy for Sensitive Groups late afternonn

McArthur Beginning Moderate/Good may see Unhealthy for Sensitive Groups

Issued 2021-09-07 08:14 PDT by ARA: Jinny Reed, [email protected]

Air Quality Index (AQI) Actions to Protect Yourself Good None Moderate Unusually sensitive individuals should consider limiting prolonged or heavy exertion. USG People within Sensitive Groups* should reduce prolonged or heavy outdoor exertion. Unhealthy People within Sensitive Groups* should avoid all physical outdoor activity. Very Unhealthy Everyone should avoid prolonged or heavy exertion.

Hazardous Everyone should avoid any outdoor activity.

*Disclaimer: This forecast is based on fine particulates only; ozone is not included. Forecasts may be wrong; use at own risk. Use caution as conditions can change quickly. See your health professional as needed. Smoke sensitive groups should take appropriate precautions.

Additional Links California Smoke Blog -- http://californiasmokeinfo.blogspot.com/ Fire and Smoke Map -- https://fire.airnow.gov/ Siskiyou County Air Pollution Control District -- https://www.co.siskiyou.ca.us/airpollution CDC Protect Yourself From Wildfire Smoke -- https://www.cdc.gov/nceh/features/wildfires/index.html Additional Smoke Outlooks -- https://wildlandfiresmoke.net/outlooks/ Klamath NF Facebook -- https://www.facebook.com/KlamathNF

Issued by USFS Wildland Fire Air Quality Response Program -- www.wildlandfiresmoke.net NE California Current Outlook -- tools.airfire.org/outlooks/NECalifornia *Smoke and Health Info -- www.airnow.gov/index.cfm?action=smoke.index