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.
Trending City Reports
Prioritize these pages if you are tracking AQI today, 2021 median AQI, or unhealthy-day trends:
Popular Search Cities
These pages already have search demand and are the fastest path to higher CTR:
| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| North Miami Beach | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Hallandale Beach | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Aventura | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Cooper City | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Miami Lakes | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Norland | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Sunny Isles Beach | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Ives Estates | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Ojus | FL | 84.1 | Grade B | 5.9 | Stable | View |
| Keene | NH | 84 | Grade B | 5.9 | Worsening β | View |
| Bedford | NH | 84 | Grade B | 5.9 | Worsening β | View |
| Greenfield | NH | 84 | Grade B | 5.9 | Worsening β | View |
| Augusta | ME | 83.9 | Grade B | 5.9 | Worsening β | View |
| East Hartford | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Lima | OH | 83.8 | Grade B | 5.9 | Improving β | View |
| Findlay | OH | 83.8 | Grade B | 5.9 | Improving β | View |
| Norwich | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Glastonbury | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Manchester | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Windsor | CT | 83.8 | Grade B | 5.9 | Stable | View |
| New London | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Mansfield City | CT | 83.8 | Grade B | 5.9 | Stable | View |
| South Windsor | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Windham | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Montville Center | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Waterford | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Willimantic | CT | 83.8 | Grade B | 5.9 | Stable | View |
| Defiance | OH | 83.8 | Grade B | 5.9 | Improving β | View |
| Pleasant Prairie | WI | 83.7 | Grade B | 6 | Improving β | View |
| Kenosha | WI | 83.7 | Grade B | 6 | Improving β | View |
| Waukegan | WI | 83.7 | Grade B | 6 | Improving β | View |
| Racine | WI | 83.7 | Grade B | 6 | Improving β | View |
| Gurnee | WI | 83.7 | Grade B | 6 | Improving β | View |
| Mount Pleasant | WI | 83.7 | Grade B | 6 | Improving β | View |
| Zion | WI | 83.7 | Grade B | 6 | Improving β | View |
| Bridgeport | CT | 83.6 | Grade B | 6 | Improving β | View |
| Springfield | MA | 83.6 | Grade B | 6 | Improving β | View |
| Grants Pass | OR | 83.6 | Grade B | 5.9 | Improving β | View |
| Stamford | CT | 83.6 | Grade B | 6 | Improving β | View |
| Norwalk | CT | 83.6 | Grade B | 6 | Improving β | View |
| East Norwalk | CT | 83.6 | Grade B | 6 | Improving β | View |
| Brentwood | CT | 83.6 | Grade B | 6 | Improving β | View |
| Fairfield | CT | 83.6 | Grade B | 6 | Improving β | View |
| Milford | CT | 83.6 | Grade B | 6 | Improving β | View |
| Stratford | CT | 83.6 | Grade B | 6 | Improving β | View |
| City of Milford (balance) | CT | 83.6 | Grade B | 6 | Improving β | View |
| Enfield | MA | 83.6 | Grade B | 6 | Improving β | View |
| West Babylon | CT | 83.6 | Grade B | 6 | Improving β | View |
| Coram | CT | 83.6 | Grade B | 6 | Improving β | View |
| Commack | CT | 83.6 | Grade B | 6 | Improving β | View |