National Data System · Environmental Intelligence · EPA Air Quality
National Data System Air Quality Intelligence
RANKABLE EPA COUNTY AQI

Montgomery Air Quality - Pennsylvania

EPA county-level evidence, NDS comparative intelligence, and 66 connected ZIP profiles.

Compare this County
Median AQI
41.0
Maximum AQI
133.0
Good-air-quality days
71.70%
Average PM2.5
7.422 ug/m3
NDS Air Quality Score
33.55
U.S. County Rank
787 of 1,049
Percentile
24.81
Grade
D

County status

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

Methodology

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