Explore Air Quality by City
Your entry point to US city air quality data. Check AQI today, compare median AQI in 2021, and see unhealthy days per year for any city. Browse EPA-based Clean Air Scores, see how cities compare in our National Rankings, and learn about our data sources in the Methodology.
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| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| Independence | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| Magna | UT | 70.6 | Grade B | 7.3 | Worsening β | View |
| Lumberton | NC | 70.6 | Grade B | 8.1 | Worsening β | View |
| Norwood | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| White Oak | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| Erlanger | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| Forest Park | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| Fort Thomas | OH | 70.6 | Grade B | 8.3 | Improving β | View |
| Woodland | CA | 70.5 | Grade B | 7.9 | Stable | View |
| St. Louis | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Vacaville | CA | 70.5 | Grade B | 7.9 | Stable | View |
| O'Fallon | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Davis | CA | 70.5 | Grade B | 7.9 | Stable | View |
| Saint Charles | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Saint Peters | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| University City | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Maryland Heights | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Webster Groves | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Dixon | CA | 70.5 | Grade B | 7.9 | Stable | View |
| Creve Coeur | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Lemay | MO | 70.5 | Grade B | 8.3 | Improving β | View |
| Jeffersonville | IN | 70.4 | Grade B | 8.3 | Improving β | View |
| Clarksville | IN | 70.4 | Grade B | 8.3 | Improving β | View |
| Saint Matthews | IN | 70.4 | Grade B | 8.3 | Improving β | View |
| Tallahassee | FL | 70.3 | Grade B | 8.3 | Worsening β | View |
| Cleveland | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Parma | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Lorain | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Elyria | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Lakewood | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Euclid | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Cleveland Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Strongsville | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Brunswick | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Collinwood | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| North Ridgeville | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Westlake | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| North Olmsted | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| North Royalton | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Garfield Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Shaker Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Glenville | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Avon Lake | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Solon | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Maple Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Avon | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| South Euclid | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Rocky River | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Parma Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |
| Broadview Heights | OH | 70.3 | Grade B | 8.3 | Improving β | View |