RANKABLE EPA COUNTY AQI
Baltimore Air Quality - Maryland
EPA county-level evidence, NDS comparative intelligence, and 68 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
129.0
Good-air-quality days
70.39%
Average PM2.5
6.755 ug/m3
NDS Air Quality Score
41.22
U.S. County Rank
687 of 1,049
Percentile
34.35
Grade
D
County status
Baltimore is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
2101321020210222102321027210302103121043210512105221053210572106521071210742108221085210872109221093210942110221104211052111121117211202112821131211332113621139211522115321155211562116121162211632120421206212072120821209212102121221215212192122021221212222122421227212282122921234212352123621237212392124121244212502125221282212842128521286
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.