Real Time AQI: Top Polluted Cities in United States

Kern County, California

Unhealthy Air Quality Index

AQI: 164
Jersey County, Illinois

Moderate Air Quality Index

AQI: 99
Grand County, Colorado

Moderate Air Quality Index

AQI: 87
Clark County, Ohio

Moderate Air Quality Index

AQI: 82
Jefferson County, Alabama

Moderate Air Quality Index

AQI: 76
Tulare County, California

Moderate Air Quality Index

AQI: 76
Hillsborough County, Florida

Moderate Air Quality Index

AQI: 74
Placer County, California

Moderate Air Quality Index

AQI: 72
Will County, Illinois

Moderate Air Quality Index

AQI: 71
McHenry County, Illinois

Moderate Air Quality Index

AQI: 71

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