RANKABLE EPA COUNTY AQI
Orange Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 141 connected ZIP profiles.
Median AQI
52.0
Maximum AQI
159.0
Good-air-quality days
44.53%
Average PM2.5
9.782 ug/m3
NDS Air Quality Score
17.76
U.S. County Rank
974 of 1,049
Percentile
6.97
Grade
F
County status
Orange is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
906209062190622906249063290633906809072090721907409074290743926029260392604926059260692607926099261092612926149261592616926179261892619926209262392624926259262692627926289262992630926379264692647926489264992650926519265292653926549265592656926579265892659926609266192662926639267292673926749267592676926779267892679926839268492685926889269092691926929269392694926979269892701927029270392704927059270692707927089271192728927359278092781927829279992801928029280392804928059280692807928089280992811928129281492815928169281792821928229282392825928319283292833928349283592836928379283892840928419284292843928449284592846928569285792859928619286292863928649286592866928679286892869928709287192885928869288792899
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.