Air Quality Alert

AQAMT

The Montana Department of Environmental Quality has issued an air quality alert for Chouteau, Flathead, Glacier, Hill, Lake, Liberty, Lincoln, Pondera, Sanders, Teton, Toole counties in effect until 9AM on 08/03/2026 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 08/02/2026, particulate levels in Libby are Unhealthy for Sensitive Groups.

As of 7AM on 08/02/2026, particulate levels in Billings, Butte, Cut Bank, Dillon, Frenchtown, Great Falls, Hamilton, Havre, Helena, Lewistown, Malta, Missoula and Sleeping Giant 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