MISSOULA COUNTY AIR STAGNATION & IMPACT ZONES
Impact Zone M* [MASZ] surrounds the greater Missoula metro area & includes Frenchtown, Clinton, Lolo and Florence.
Impact Zone M*
Impact Zone SL*
Impact Zone SL [SLASZ] surrounds Seeley Lake, but does not include Placid Lake, Lake Alva or Lake Inez.
*NOTE: During a Stage II Air Pollution Warning: restrictions on woodstove- and fireplace-use.
No burning of leaves and grass at any time inside the Missoula Air Stagnation Zone (MASZ). Learn more at Missoula County Website.