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

Milwaukee Air Quality - Wisconsin

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

Compare this County
Median AQI
41.0
Maximum AQI
129.0
Good-air-quality days
69.23%
Average PM2.5
7.531 ug/m3
NDS Air Quality Score
42.10
U.S. County Rank
679 of 1,049
Percentile
35.11
Grade
D

County status

Milwaukee 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.