Photos from: Understanding Air Quality Messages on SLE's Electronic Sign

Photo provided.

The electronic sign outside of Seeley Lake Elementary is color coded to provide air quality information. When the sign is green, air quality is good. When the sign is yellow, the three-hour average is approaching 35 µg/m3. And when the sign is red, the three-hour average is over 35 µg/m3 and people need to reduce wood stove smoke emissions.

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