North America
Air quality in United States
7µg/m³ national average
Air quality in United States
People in United States breathe an average of 7 µg/m³ of PM2.5 (2023), 1× the WHO guideline. Fairly clean.
Air quality by place in United States
Measured annual averages from the WHO Ambient Air Quality Database.
| Place | PM2.5 | Year | Level |
|---|---|---|---|
| Maui | 2 µg/m³ | 2021 | Meets the WHO guideline |
| Honolulu | 3 µg/m³ | 2021 | Meets the WHO guideline |
| Kauai | 3 µg/m³ | 2021 | Meets the WHO guideline |
| Big Island | 3 µg/m³ | 2021 | Meets the WHO guideline |
| Jackson Hole | 5 µg/m³ | 2021 | Meets the WHO guideline |
| Anchorage | 5 µg/m³ | 2021 | Meets the WHO guideline |
| Lake Tahoe | 5.2 µg/m³ | 2022 | Fairly clean |
| Boulder | 5.3 µg/m³ | 2022 | Fairly clean |
| Portland | 5.8 µg/m³ | 2022 | Fairly clean |
| Denver | 6 µg/m³ | 2022 | Fairly clean |
| Seattle | 6.1 µg/m³ | 2022 | Fairly clean |
| Miami | 6.2 µg/m³ | 2022 | Fairly clean |
| Miami Beach | 6.2 µg/m³ | 2022 | Fairly clean |
| Washington, D.C. | 6.3 µg/m³ | 2022 | Fairly clean |
| Boston | 6.4 µg/m³ | 2022 | Fairly clean |
| Minneapolis | 6.4 µg/m³ | 2022 | Fairly clean |
| Asheville | 6.6 µg/m³ | 2022 | Fairly clean |
| Orlando | 6.7 µg/m³ | 2022 | Fairly clean |
| New York City | 7.1 µg/m³ | 2022 | Fairly clean |
| Philadelphia | 7.2 µg/m³ | 2022 | Fairly clean |
| Tampa | 7.2 µg/m³ | 2022 | Fairly clean |
| St. Petersburg | 7.2 µg/m³ | 2022 | Fairly clean |
| Charleston | 7.3 µg/m³ | 2022 | Fairly clean |
| Salt Lake City | 7.5 µg/m³ | 2022 | Fairly clean |
| Nashville | 7.7 µg/m³ | 2022 | Fairly clean |
| Phoenix | 7.9 µg/m³ | 2022 | Fairly clean |
| Detroit | 7.9 µg/m³ | 2022 | Fairly clean |
| Charlotte | 7.9 µg/m³ | 2022 | Fairly clean |
| Scottsdale | 8 µg/m³ | 2021 | Fairly clean |
| Napa Valley | 8 µg/m³ | 2021 | Fairly clean |
| Pittsburgh | 8.1 µg/m³ | 2022 | Fairly clean |
| New Orleans | 8.2 µg/m³ | 2022 | Fairly clean |
| San Diego | 8.2 µg/m³ | 2022 | Fairly clean |
| Memphis | 8.4 µg/m³ | 2022 | Fairly clean |
| Atlanta | 8.5 µg/m³ | 2022 | Fairly clean |
| Dallas | 8.5 µg/m³ | 2022 | Fairly clean |
| Chicago | 8.7 µg/m³ | 2022 | Fairly clean |
| Austin | 9 µg/m³ | 2021 | Fairly clean |
| San Antonio | 9 µg/m³ | 2022 | Fairly clean |
| Las Vegas | 9.7 µg/m³ | 2022 | Fairly clean |
| Los Angeles | 10.5 µg/m³ | 2022 | Moderate |
| Houston | 11.1 µg/m³ | 2022 | Moderate |
| San Jose | 12.5 µg/m³ | 2022 | Moderate |
Air quality by place
- New York CityAir quality
- Las VegasAir quality
- Los AngelesAir quality
- OrlandoAir quality
- MiamiAir quality
- HonoluluAir quality
- Washington, D.C.Air quality
- ChicagoAir quality
- BostonAir quality
- New OrleansAir quality
- San DiegoAir quality
- SeattleAir quality
- MauiAir quality
- NashvilleAir quality
- AustinAir quality
- Miami BeachAir quality
Sources
- WHO Ambient Air Quality Database
- ESTA, U.S. Customs and Border Protection
- U.S. Department of State, travel
- Speedtest Global Index: United States
- World Bank open data
Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.