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

Allegheny Air Quality - Pennsylvania

EPA county-level evidence, NDS comparative intelligence, and 144 connected ZIP profiles.

Compare this County
Median AQI
49.0
Maximum AQI
129.0
Good-air-quality days
51.65%
Average PM2.5
8.065 ug/m3
NDS Air Quality Score
25.53
U.S. County Rank
887 of 1,049
Percentile
15.27
Grade
F

County status

Allegheny 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.