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Air Quality Alert

Status

Issued Active alert

Start Time

Fri 08/07/2026 10:30 AM EDT

End Time

Sat 08/08/2026 11:00 AM EDT

Impacts

Informational

Full Alert Message

Air Quality Alert Relayed by National Weather Service Great Falls MT 830 AM MDT Fri Aug 7 2026 ...AIR QUALITY ALERT IN EFFECT... The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson, Lake, Lincoln, Madison, Mineral, Park, Powell, Ravalli, Silver Bow, Flathead, Lewis and Clark, Mineral, Missoula, Powell, Sanders counties in effect until 9AM on 08/08/2026 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 7AM on 08/07/2026, particulate levels in Columbia Falls, Dillon and Libby are Unhealthy. As of 7AM on 08/07/2026, particulate levels in Butte, Frenchtown, Hamilton, Helena, Missoula and Thompson Falls are Unhealthy for Sensitive Groups. As of 7AM on 08/07/2026, particulate levels in Billings, Great Falls and Sleeping Giant are Moderate. When air quality is Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. 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