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 | |
|---|---|---|---|---|---|---|
| North Amityville | NJ | 76.7 | Grade B | 6.9 | Improving β | View |
| New Milford | NJ | 76.7 | Grade B | 6.9 | Improving β | View |
| Bethpage | NJ | 76.7 | Grade B | 6.9 | Improving β | View |
| Jeffersontown | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Elizabethtown | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Frankfort | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Newburg | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Fern Creek | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Okolona | KY | 76.5 | Grade B | 7.2 | Improving β | View |
| Des Plaines | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Chicago | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| West Town | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Near North Side | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Cicero | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Belmont Cragin | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Arlington Heights | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Schaumburg | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| South Lawndale | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Logan Square | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| West Ridge | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Palatine | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Lincoln Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Portage Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Skokie | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Irving Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Berwyn | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Uptown | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Edgewater | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Mount Prospect | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Rogers Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Oak Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Hoffman Estates | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Albany Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Elmhurst | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Brighton Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Lincoln Square | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Avondale | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Hanover Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Park Ridge | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Addison | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| North Lawndale | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| North Center | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Lower West Side | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Chicago Loop | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Elk Grove Village | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Niles | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Melrose Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Elmwood Park | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Rolling Meadows | IL | 76.4 | Grade B | 7.2 | Improving β | View |
| Maywood | IL | 76.4 | Grade B | 7.2 | Improving β | View |