RANKABLE EPA COUNTY AQI

Dawson Air Quality - Montana

EPA county-level evidence, NDS comparative intelligence, and 8 connected ZIP profiles.

Median AQI

14.0

Maximum AQI

162.0

Good-air-quality days

95.03%

Average PM2.5

3.500 ug/m3

NDS Air Quality Score

74.82

U.S. County Rank

170 of 1,049

Percentile

83.87

Grade

County status

Dawson is part of the governed NDS rankable EPA county universe.

EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.