Air Quality Alert

Full Alert Message

Air Quality Alert Relayed by National Weather Service Great Falls MT 712 AM MDT Tue Aug 4 2026 ...AIR QUALITY ALERT IN EFFECT... The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Deer Lodge, Granite, Lake, Madison, Mineral, Missoula, Powell, Ravalli, Sanders, and Silver Bow counties in effect until 9AM on 08/05/2026 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 due to wildfire smoke As of 6AM on 08/04/2026, particulate levels in Billings, Butte, Columbia Falls, Cut Bank, Dillon, Frenchtown, Great Falls, Hamilton, Helena, Libby, Missoula, Sleeping Giant and Thompson Falls are Moderate. 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