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

Eau Claire Air Quality - Wisconsin

EPA county-level evidence, NDS comparative intelligence, and 6 connected ZIP profiles.

Compare this County
Median AQI
38.0
Maximum AQI
159.0
Good-air-quality days
77.90%
Average PM2.5
7.345 ug/m3
NDS Air Quality Score
48.62
U.S. County Rank
584 of 1,049
Percentile
44.18
Grade
C

County status

Eau Claire 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.