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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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| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| Lancaster | PA | 68.6 | Grade C | 8.1 | Improving ↓ | View |
| Reading | PA | 68.6 | Grade C | 8.1 | Improving ↓ | View |
| Tracy | CA | 68.6 | Grade C | 8.2 | Stable | View |
| Belleville | IL | 68.6 | Grade C | 8.6 | Improving ↓ | View |
| O'Fallon | IL | 68.6 | Grade C | 8.6 | Improving ↓ | View |
| Lebanon | PA | 68.6 | Grade C | 8.1 | Improving ↓ | View |
| Lathrop | CA | 68.6 | Grade C | 8.2 | Stable | View |
| Fairview Heights | IL | 68.6 | Grade C | 8.6 | Improving ↓ | View |
| Miami | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Florence | SC | 68.3 | Grade C | 8.7 | Worsening ↑ | View |
| Hialeah | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Miami Beach | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Kendall | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| North Miami | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Fountainebleau | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Kendale Lakes | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Doral | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Tamiami | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Allapattah | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Coral Gables | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Flagami | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Sumter | SC | 68.3 | Grade C | 8.7 | Worsening ↑ | View |
| Kendall West | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| West Little River | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Golden Glades | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Westchester | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| University Park | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Palmetto Bay | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Coral Terrace | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Hialeah Gardens | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Sweetwater | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Coconut Grove | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Pinecrest | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Cutler | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Glenvar Heights | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Opa-locka | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Pinewood | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Sunset | FL | 68.3 | Grade C | 8.3 | Worsening ↑ | View |
| Gadsden | AL | 68.1 | Grade C | 8.7 | Stable | View |
| Greenville | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Greer | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Anderson | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Mauldin | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Greenwood | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Anniston | AL | 68.1 | Grade C | 8.7 | Stable | View |
| Taylors | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Albertville | AL | 68.1 | Grade C | 8.7 | Stable | View |
| Oxford | AL | 68.1 | Grade C | 8.7 | Stable | View |
| Easley | SC | 68.1 | Grade C | 8.7 | Stable | View |
| Simpsonville | SC | 68.1 | Grade C | 8.7 | Stable | View |