Real Time AQI: Top Polluted Cities in United States

Marion County, Indiana

USG Air Quality Index

AQI: 119
Snohomish County, Washington

USG Air Quality Index

AQI: 102
Chelan County, Washington

Moderate Air Quality Index

AQI: 98
Flathead County, Montana

Moderate Air Quality Index

AQI: 88
Sumner County, Kansas

Moderate Air Quality Index

AQI: 86
Lucas County, Ohio

Moderate Air Quality Index

AQI: 78
Nowata County, Oklahoma

Moderate Air Quality Index

AQI: 75
Yakima County, Washington

Moderate Air Quality Index

AQI: 75
Cook County, Illinois

Moderate Air Quality Index

AQI: 73
Douglas County, Nebraska

Moderate Air Quality Index

AQI: 71

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