TUESDAY: Montana’s Worst Air Quality Locations

The heat and the haze continue for the entire state of Montana this week. Air Quality Index numbers certainly fluctuate but at this point we’re fluctuating between levels of ‘bad’. Where are the hot spots today for poor air quality?

A rule of thumb for checking air quality if you don’t have access to real-time date is this (Visibility Guidelines):

Cannot see 5 miles? Unhealthy AirCannot see 2 miles? Very Unhealthy AirCannot see 1 mile? Hazardous Air

As of 12 noon on Tuesday, July 20th, 2021:

Troy, MT (northwest Montana – Lincoln County): 160 = unhealthyLibby, MT (northwest Montana – Lincoln County): 140 = unhealthy for sensitive groupsAnaconda (just north of town): 135 = unhealthy for sensitive groupsHelena (Monroe Avenue): 131 = unhealthy for sensitive groupsNW of Whitefish, MT (Delrey Road): 126 = unhealthy for sensitive groupsThunderbird Island (northwest of Browning): 126 = unhealthy for sensitive groupsWest Glacier: 124 = unhealthy for sensitive groupsKalispell: 124 = unhealthy for sensitive groupsThompson Falls: 123 = unhealthy for sensitive groupsBig Timber (south of town): 118 = unhealthy for sensitive groupsHardin (north of town): 117 = unhealthy for sensitive groupsBozeman (north of town): 116 = unhealthy for sensitive groupsWolf Creek (north of Helena): 116 = unhealthy for sensitive

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