


Air Quality Alert
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
510 AEUS75 KRIW 221907 AQARIW Air Quality Alert Message Relayed by National Weather Service Riverton WY 107 PM MDT Fri Aug 22 2025 WYZ014-025-026-251900- Wind River Mountains West-Upper Green River Basin Foothills- Upper Green River Basin- Including the cities of Pinedale, La Barge, Big Piney, and Farson 107 PM MDT Fri Aug 22 2025 ...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT SATURDAY... The following message is transmitted on behalf of the Wyoming Department of Environmental Quality, Air Quality Division, and the Wyoming Department of Health. * WHAT...Air Quality Alert for Wildfire Smoke. * WHERE...Upper Green River Basin and Western Wind River Mountains. This includes the towns of, Pinedale, Big Piney/Marbleton, Hoback, and Farson. * WHEN...1 PM Friday August 22 until 1 PM Monday August 25. * IMPACTS...Smoke from the Dollar Lake Wildfire continues to be observed across portions of western and central Wyoming. The smoke is limiting visibilities at times, especially at higher elevations in the Wind River Mountains. HEALTH INFORMATION...The Wyoming Department of Health recommends that the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause respiratory health effects. Although these people are most susceptible to health impacts, the Department of Health also advises that everyone should avoid prolonged exposure to poor air quality conditions. CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality Division offers near real-time air quality data for Wyoming`s monitoring stations and health effects information to help the public interpret current conditions. Current air quality conditions across the state of Wyoming can be found at http://www.wyvisnet.com/. $$