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 | |
|---|---|---|---|---|---|---|
| Dayton | OH | 74 | Grade B | 7.7 | Improving β | View |
| Watertown | SD | 74 | Grade B | 7.6 | Worsening β | View |
| Kettering | OH | 74 | Grade B | 7.7 | Improving β | View |
| Beavercreek | OH | 74 | Grade B | 7.7 | Improving β | View |
| Huber Heights | OH | 74 | Grade B | 7.7 | Improving β | View |
| Fairborn | OH | 74 | Grade B | 7.7 | Improving β | View |
| Xenia | OH | 74 | Grade B | 7.7 | Improving β | View |
| Pleasure Ridge Park | KY | 74 | Grade B | 7.7 | Improving β | View |
| Troy | OH | 74 | Grade B | 7.7 | Improving β | View |
| Riverside | OH | 74 | Grade B | 7.7 | Improving β | View |
| Trotwood | OH | 74 | Grade B | 7.7 | Improving β | View |
| Centerville | OH | 74 | Grade B | 7.7 | Improving β | View |
| Brookings | SD | 74 | Grade B | 7.6 | Worsening β | View |
| Valley Station | KY | 74 | Grade B | 7.7 | Improving β | View |
| Radcliff | KY | 74 | Grade B | 7.7 | Improving β | View |
| Piqua | OH | 74 | Grade B | 7.7 | Improving β | View |
| Miamisburg | OH | 74 | Grade B | 7.7 | Improving β | View |
| Coconut Creek | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Coral Springs | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Pompano Beach | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Deerfield Beach | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Tamarac | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Margate | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| North Lauderdale | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Parkland | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Boca Del Mar | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Sandalfoot Cove | FL | 73.9 | Grade B | 7.4 | Worsening β | View |
| Camden | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Cherry Hill | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Jackson | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Whitman | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Sicklerville | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Mount Laurel | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Pennsauken | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Pennsport | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Glassboro | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Maple Shade | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Lindenwold | NJ | 73.8 | Grade B | 7.4 | Improving β | View |
| Lansing | IL | 73.5 | Grade B | 7.8 | Improving β | View |
| Hammond | IN | 73.5 | Grade B | 7.8 | Improving β | View |
| Oak Park | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Steubenville | OH | 73.5 | Grade B | 7.8 | Improving β | View |
| Warren | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Sterling Heights | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Clinton Township | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Troy | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Farmington Hills | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Waterford | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Shelby | MI | 73.5 | Grade B | 7.8 | Stable | View |
| Rochester Hills | MI | 73.5 | Grade B | 7.8 | Stable | View |