Air Quality Alert Message

Full Alert Message

Air Quality Alert Message Relayed by National Weather Service Riverton WY 1102 AM MDT Fri Sep 5 2025 ...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT SUNDAY... 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...Much of western Wyoming, generally along and west of a line from the Absaroka Mountains to the Wind River Basin and Green Mountains. * WHEN...1 PM Friday, September 5, until 1 PM Sunday, September 7. * IMPACTS...Smoke from distant wildfires burning in Idaho, Washington, and especially British Columbia, are responsible for a large amount of the recent smoke. In Wyoming, the Dollar Lake wildfire north-northwest of Pinedale will continue to push smoke into the Upper Green River Basin given the prevailing wind direction. 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/.