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

Dauphin Air Quality - Pennsylvania

EPA county-level evidence, NDS comparative intelligence, and 47 connected ZIP profiles.

Compare this County
Median AQI
44.0
Maximum AQI
93.0
Good-air-quality days
62.26%
Average PM2.5
8.227 ug/m3
NDS Air Quality Score
38.06
U.S. County Rank
733 of 1,049
Percentile
29.96
Grade
D

County status

Dauphin 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.