Weather Alert ...AIR QUALITY ALERT IN EFFECT... The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Big Horn, Broadwater, Carbon, Carter, Cascade, Chouteau, Custer, Deer Lodge, Fallon, Fergus, Gallatin, Glacier, Golden Valley, Granite, Jefferson, Judith Basin, Lake, Lewis and Clark, Liberty, Madison, Meagher, Missoula, Musselshell, Park, Petroleum, Pondera, Powder River, Powell, Ravalli, Rosebud, Silver Bow, Stillwater, Sweet Grass, Teton, Treasure, Toole, Wheatland, and Yellowstone counties in effect until further notice. due to increasing particulate concentrations from local and regional fires This alert will be updated again at 9 AM MDT 7/29/21. An Air Quality Alert means that particulates have been trending