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Understand its air.
Explore historical PM2.5 patterns, available local observations, and the context behind each city’s score. 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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Local observations and historical context for major cities.
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| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| Uniondale | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Rockville Centre | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Baldwin | NY | 75.2 | Grade B | 7.5 | Stable | View |
| East Elmhurst | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Copiague | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Garden City | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Merrick | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Massapequa | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Laurelton | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Cambria Heights | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Hollis | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Brooklyn Heights | NY | 75.2 | Grade B | 7.5 | Stable | View |
| North Bellmore | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Lynbrook | NY | 75.2 | Grade B | 7.5 | Stable | View |
| East Massapequa | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Kew Gardens | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Wantagh | NY | 75.2 | Grade B | 7.5 | Stable | View |
| West Hempstead | NY | 75.2 | Grade B | 7.5 | Stable | View |
| North Massapequa | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Massapequa Park | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Woodmere | NY | 75.2 | Grade B | 7.5 | Stable | View |
| North Valley Stream | NY | 75.2 | Grade B | 7.5 | Stable | View |
| Sacramento | CA | 75.1 | Grade B | 7.4 | Improving ↓ | View |
| Santa Barbara | CA | 75.1 | Grade B | 7.3 | Stable | View |
| Ventura | CA | 75.1 | Grade B | 7.3 | Stable | View |
| West Sacramento | CA | 75.1 | Grade B | 7.4 | Improving ↓ | View |
| Florin | CA | 75.1 | Grade B | 7.4 | Improving ↓ | View |
| Laguna | CA | 75.1 | Grade B | 7.4 | Improving ↓ | View |
| Decatur | IL | 74.9 | Grade B | 7.5 | Improving ↓ | View |
| Chester | PA | 74.9 | Grade B | 7.5 | Improving ↓ | View |
| Springfield | IL | 74.9 | Grade B | 7.5 | Improving ↓ | View |
| Springfield | PA | 74.9 | Grade B | 7.5 | Improving ↓ | View |
| Mattoon | IL | 74.9 | Grade B | 7.5 | Improving ↓ | View |
| Hickory | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Statesville | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Shelby | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Boone | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Lenoir | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Morganton | NC | 74.8 | Grade B | 7.6 | Stable | View |
| Apple Valley | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Bloomington | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Eagan | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Burnsville | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Cottage Grove | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Inver Grove Heights | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Savage | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Rosemount | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Hastings | MN | 74.7 | Grade B | 7.3 | Stable | View |
| Homestead | FL | 74.6 | Grade B | 7.3 | Worsening ↑ | View |
| Kansas City | MO | 74.6 | Grade B | 7.6 | Stable | View |