All InfoEnvironmentWorst Air QualityOregon

Worst Air Quality ZIP Codes in Oregon

Top 50 worst air quality zip codes in america in Oregon. ZIP-level data from EPA Air Quality Index.

Top 50

#ZIP CodeCity / SuburbMedian AQI
197817Greenhorn49
297820Canyon City49
397825Dayville49
497845John Day49
59784849
697856Long Creek49
797864Monument49
897865Mount Vernon49
997869Prairie City49
1097873Seneca49
1197877Sumpter49
129771046
1397720Crane46
149772146
159772246
1697732Crane46
179773646
1897738Hines46
199775846
209790446
2197401Eugene44
2297402Eugene44
2397403Eugene44
2497404Santa Clara44
2597405Eugene44
2697408Eugene44
279741244
289741344
2997419Cheshire44
3097424Cottage Grove44
3197426Creswell44
329743044
3397431Dexter44
349743444
3597437Elmira44
3697438Jasper44
3797439Florence44
3897448Junction City44
399745144
4097452Lowell44
4197453Mapleton44
4297454Marcola44
4397455Jasper44
449746144
4597463Oakridge44
4697477Springfield44
4797478Springfield44
489748044
4997487Veneta44
509748844

Methodology

This ranking is based on EPA Air Quality Index data, scoped to Oregon ZIP codes. Up to 50 ZIP codes are listed, ordered by median aqi. Data is refreshed periodically. See our methodology page for full details on data sources and update frequency.

Related rankings

Other states

← Back to Environment overview

By Mubboo Editorial Team

Worst Air Quality ZIP Codes in Oregon is sourced from EPA Air Quality Index. All figures are aggregate public datasets.

Mubboo may earn commissions from partner links. This does not affect our editorial independence.