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

Cecil Air Quality - Maryland

EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.

Compare this County
Median AQI
41.0
Maximum AQI
129.0
Good-air-quality days
80.92%
Average PM2.5
5.576 ug/m3
NDS Air Quality Score
56.68
U.S. County Rank
466 of 1,049
Percentile
55.44
Grade
C

County status

Cecil 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.