RANKABLE EPA COUNTY AQI
Clearfield Air Quality - Pennsylvania
EPA county-level evidence, NDS comparative intelligence, and 50 connected ZIP profiles.
Median AQI
35.0
Maximum AQI
97.0
Good-air-quality days
98.17%
Average PM2.5
N/A
NDS Air Quality Score
77.17
U.S. County Rank
143 of 1,049
Percentile
86.45
Grade
A
County status
Clearfield is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.