RANKABLE EPA COUNTY AQI
Pierce Air Quality - Washington
EPA county-level evidence, NDS comparative intelligence, and 70 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
100.0
Good-air-quality days
76.13%
Average PM2.5
6.177 ug/m3
NDS Air Quality Score
43.40
U.S. County Rank
664 of 1,049
Percentile
36.55
Grade
D
County status
Pierce is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
98303983219832398327983289833298333983359833898344983489834998351983529836098371983729837398374983759838598387983889839098391983949839598396983979839898401984029840398404984059840698407984089840998411984139841698417984189841998421984249843098431984339843898439984439844498445984469844798448984649846598466984679849098493984969849898499985589858098937
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.