RANKABLE EPA COUNTY AQI
Washington Air Quality - Nebraska
EPA county-level evidence, NDS comparative intelligence, and 5 connected ZIP profiles.
Median AQI
29.0
Maximum AQI
132.0
Good-air-quality days
84.27%
Average PM2.5
6.639 ug/m3
NDS Air Quality Score
63.59
U.S. County Rank
347 of 1,049
Percentile
66.89
Grade
C
County status
Washington 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.