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

Mercer Air Quality - New Jersey

EPA county-level evidence, NDS comparative intelligence, and 28 connected ZIP profiles.

Compare this County
Median AQI
43.0
Maximum AQI
122.0
Good-air-quality days
73.62%
Average PM2.5
7.006 ug/m3
NDS Air Quality Score
44.41
U.S. County Rank
648 of 1,049
Percentile
38.07
Grade
D

County status

Mercer 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.