Montana Department of Environmental has an Air Quality Alert Quality is in Effect The Montana Department of Environmental Quality has issued a "Air Quality" statement. Quality alert for Beaverhead Big Horn Blaine, Blaine, Broadwater and Carbon Cascade, Chouteau and Deer Lodge, Fergus Flathead, Gallatin and Glacier Golden Valley, Granite Hill, Jefferson, Judith Basin and Lake, Lewis Clark, Liberty, Madison, Madison, Meagher and Mineral, Missoula Musselshell, Park, Petroleum, Phillips, Pondera, Powell, Ravalli, Sanders, Silver Bow, Stillwater, Sweet Grass, Teton, Toole, Treasure, Wheatland and Yellowstone counties are in effect until 10 AM MDT 9/13/2022 The alert will be updated at 10 AM MDT 9/13/2022. An Air Quality Alert indicates that particulates are trending It is higher than the 24 hour National Ambient Air Quality Standard (NAAQS), may have occurred in the near future. future. At 0400 PM MDT, Hamilton's Particulate Levels are Very Unhealthy. At 0400 PM MDT, Particulate levels in Seeley Lake and the Flathead have been updated Valley, Missoula. Libby. Dillon. Thompson Falls. Frenchtown. Helena is Unhealthy. As of 0400 PM MDT Particulate levels in Billings – Lockwood area, Miles City (Bozeman) and Broadus are unhealthy for sensitive Groups. Particulate levels in Cut Bank (Malta, West) as of 0400 PM MDT Moderate is Yellowstone, Lewistown Great Falls, Great Falls and Butte. If the air quality is Very Unhealthy... State or local health Officials recommend that people suffering from heart or respiratory disease, Outdoor activities should be avoided by the elderly and children. Everyone else should avoid prolonged exertion. Air quality that is unsafe... State and local health officials We recommend that anyone with a heart or respiratory disease, such as those with asthma, should consult their doctor. Elderly and children should not exert themselves for prolonged periods; everyone else should. You should limit your exertion. If the air quality is unsafe for sensitive groups... State and Local health officials recommend that people suffering from respiratory or heart disease consult their local health authorities. Children and the elderly should limit their exposure to heart disease. exertion. When the air quality is Moderate... State health officials and local health officials Recommend that people with unusually sensitive skin consider reducing their intake Exercising for long periods of time or with heavy exertion.