Air Quality Alert
Status
Issued Active alertStart Time
Sun 07/26/2026 10:55 AM EDTEnd Time
Mon 07/27/2026 10:55 AM EDTImpacts
Informational
Full Alert Message
Air Quality Alert Relayed by National Weather Service Great Falls MT 855 AM MDT Sun Jul 26 2026 ...AIR QUALITY ALERT IN EFFECT... The Montana Department of Environmental Quality has issued an air quality alert for Chouteau, Granite, Hill, Lewis and Clark, Liberty, Missoula, Pondera, Powell, Ravalli, Teton, Toole counties in effect until 9:00 AM on 07/27/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels from wildfire smoke As of 8AM on 07/26/2026, particulate levels in Cut Bank, Hamilton and Missoula are Unhealthy for Sensitive Groups. As of 8AM on 07/26/2026, particulate levels in Butte, Columbia Falls, Dillon, Frenchtown, Great Falls, Havre, Helena, Libby, Malta, Sleeping Giant and Thompson Falls are Moderate. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us