Air Quality by State

Browse air quality data for 41 US states and territories. Click any state to see detailed city-by-city air quality information.

Alabama

AQI 75
1 cityAvg: Moderate

Alaska

AQI 22
1 cityAvg: Good

Arizona

AQI 70
2 citiesAvg: Moderate

Arkansas

AQI 41
1 cityAvg: Good

California

AQI 65
8 citiesAvg: Moderate

Colorado

AQI 51
1 cityAvg: Moderate

Connecticut

AQI 55
1 cityAvg: Moderate

District of Columbia

AQI 63
1 cityAvg: Moderate

Florida

AQI 46
4 citiesAvg: Good

Georgia

AQI 65
1 cityAvg: Moderate

Hawaii

AQI 22
1 cityAvg: Good

Idaho

AQI 55
1 cityAvg: Moderate

Illinois

AQI 48
1 cityAvg: Good

Indiana

AQI 65
1 cityAvg: Moderate

Iowa

AQI 62
1 cityAvg: Moderate

Kansas

AQI 54
1 cityAvg: Moderate

Kentucky

AQI 48
1 cityAvg: Good

Louisiana

AQI 61
1 cityAvg: Moderate

Maryland

AQI 48
1 cityAvg: Good

Massachusetts

AQI 50
1 cityAvg: Good

Michigan

AQI 66
1 cityAvg: Moderate

Minnesota

AQI 45
1 cityAvg: Good

Mississippi

AQI 55
1 cityAvg: Moderate

Missouri

AQI 48
2 citiesAvg: Good

Nebraska

AQI 51
1 cityAvg: Moderate

Nevada

AQI 57
1 cityAvg: Moderate

New Mexico

AQI 58
1 cityAvg: Moderate

New York

AQI 45
3 citiesAvg: Good

North Carolina

AQI 55
2 citiesAvg: Moderate

Ohio

AQI 51
3 citiesAvg: Moderate

Oklahoma

AQI 42
1 cityAvg: Good

Oregon

AQI 46
1 cityAvg: Good

Pennsylvania

AQI 56
2 citiesAvg: Moderate

Rhode Island

AQI 62
1 cityAvg: Moderate

South Carolina

AQI 65
1 cityAvg: Moderate

Tennessee

AQI 55
2 citiesAvg: Moderate

Texas

AQI 51
5 citiesAvg: Moderate

Utah

AQI 69
1 cityAvg: Moderate

Virginia

AQI 49
2 citiesAvg: Good

Washington

AQI 35
2 citiesAvg: Good

Wisconsin

AQI 37
1 cityAvg: Good

Understanding State Air Quality

Air quality varies significantly across different states due to factors like population density, industrial activity, geography, and climate. States with major urban centers or industrial areas may have higher pollution levels, while rural or coastal states often enjoy cleaner air.

The average AQI shown for each state is calculated from all monitored cities within that state. Click on any state to see detailed air quality data for individual cities, including current conditions and forecasts.