RANKABLE EPA COUNTY AQI
Cook Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 228 connected ZIP profiles.
Median AQI
53.0
Maximum AQI
168.0
Good-air-quality days
40.51%
Average PM2.5
9.923 ug/m3
NDS Air Quality Score
14.73
U.S. County Rank
995 of 1,049
Percentile
4.96
Grade
F
County status
Cook is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
600046000560006600076000860009600106001160015600166001760018600226002560026600296003860043600476005360055600566006260065600676006860070600746007660077600786008260089600906009160093600956010260103601046010760120601266013060131601336014160143601536015460155601596016060161601626016360164601656016860169601716017260173601766017960192601936019460195601966020160202602036020460208603016030260303603046030560402604066040960411604126041560417604186041960422604236042560426604286042960430604386043960443604456044860449604526045360454604556045660457604586045960461604626046360464604656046660467604696047160472604736047560476604776047860480604826048460487604916049960501605136052160523605256052660527605346054660558606016060260603606046060560606606076060860609606106061160612606136061460615606166061760618606196062060621606226062360624606256062660628606296063060631606326063360634606366063760638606396064060641606426064360644606456064660647606496065160652606536065460655606566065760659606606066160666606686066960670606736067460675606776067860682606846068560686606876068860689606906069360694606956069760699607016070660707607126071460803608046080560827
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.