


Air Quality Alert
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
693 AEUS75 KRIW 191706 AQARIW Air Quality Alert Message Relayed by National Weather Service Riverton WY 1106 AM MDT Tue Aug 19 2025 WYZ004>007-201900- North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin- Owl Creek and Bridger Mountains- Including the cities of Basin, Greybull, Lovell, Powell, Shell, Thermopolis, Ten Sleep, and Worland 1106 AM MDT Tue Aug 19 2025 ...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT WEDNESDAY... 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...Portions of the Bighorn Basin and the Owl Creek and Bridger Mountains. * WHEN...Through 1 PM Wednesday August 20. * IMPACTS...Smoke from various wildfires across the Bighorn Basin, especially the Red Canyon Fire, will continue to spread across the region today and overnight tonight. 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/. $$ WYZ003-008-201900- Cody Foothills-Bighorn Mountains West- Including the cities of Clark, Cody, and Meeteetse 1106 AM MDT Tue Aug 19 2025 ...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT WEDNESDAY... The following message is transmitted on behalf of the Wyoming Department of Environmental Quality, Air Quality Division, and the Wyoming Department of Health. * WHAT...Air Quality Alert for Wildfire Smoke. * WHERE...The eastern foothills of the Absaroka Mountains and the western portions of the Bighorn Mountains. * WHEN...Through 1 PM Wednesday August 20. * IMPACTS...Smoke from various wildfires across the Bighorn Basin, especially the Red Canyon Fire, as well as fires in Idaho and Nevada, will continue to spread across the region today and overnight tonight. HEALTH INFORMATION...The Wyoming Department of Health recommends that the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause respiratory health effects. Although these people are most susceptible to health impacts, the Department of Health also advises that everyone should avoid prolonged exposure to poor air quality conditions. CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality Division offers near real-time air quality data for Wyoming`s monitoring stations and health effects information to help the public interpret current conditions. Current air quality conditions across the state of Wyoming can be found at http://www.wyvisnet.com/. $$