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SEELEY LAKE - Seeley Lake's winter air quality has improved since the community successfully replaced more than 160 old wood stoves with new, lower emission stoves during the 2012-2014 wood stove change out program. The Seeley Lake "Number of Winter Day Over 24-Hour PM2.5 Standard" graph shows that PM2.5 concentrations are trending down over the last nine winters. (Note: The winter of 2016-2017 had a long-lasting high-pressure ridge that caused high PM2.5 levels throughout western Montana.)...
SEELEY LAKE - The 2016-2017 winter has been a cold snowy affair for western Montana. Because of the colder-than-usual temperatures, people are burning more wood to heat their homes and the temperature inversions are more persistent than in recent years. These factors have contributed to a large number of days over the particulate standard. So far this winter, the Seeley Lake air monitoring station has measured 32 days over the national ambient air quality standard for particulate matter in the...
