The city directory
Find your place.
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.
Explore by region
Start close to home, or explore the air in a place you are considering visiting.
AQI Today
Local observations and historical context for major cities.
The Southwest
Explore desert cities and their long-term air quality patterns.
West Coast and beyond
Compare coastal, inland, and urban air quality reports.
More places to explore
Open a local report to see the available data and its sources.
Sponsor
| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| Upper Alton | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Alton | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Hazelwood | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Edwardsville | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Collinsville | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Ferguson | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Spanish Lake | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Old Jamestown | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Godfrey | IL | 67.1 | Grade C | 8.9 | Improving ↓ | View |
| Corsicana | TX | 67 | Grade C | 8.6 | Improving ↓ | View |
| Ennis | TX | 67 | Grade C | 8.6 | Improving ↓ | View |
| Toledo | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Bowling Green | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Sandusky | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Perrysburg | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Adrian | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Oregon | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Monroe | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Sylvania | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Tiffin | OH | 66.9 | Grade C | 8.9 | Stable | View |
| Kennesaw | GA | 66.7 | Grade C | 9 | Stable | View |
| Atlanta | GA | 66.7 | Grade C | 9 | Stable | View |
| Sandy Springs | GA | 66.7 | Grade C | 9 | Stable | View |
| Roswell | GA | 66.7 | Grade C | 9 | Stable | View |
| Johns Creek | GA | 66.7 | Grade C | 9 | Stable | View |
| Alpharetta | GA | 66.7 | Grade C | 9 | Stable | View |
| Marietta | GA | 66.7 | Grade C | 9 | Stable | View |
| Smyrna | GA | 66.7 | Grade C | 9 | Stable | View |
| Brookhaven | GA | 66.7 | Grade C | 9 | Stable | View |
| Stonecrest | GA | 66.7 | Grade C | 9 | Stable | View |
| Dunwoody | GA | 66.7 | Grade C | 9 | Stable | View |
| Peachtree Corners | GA | 66.7 | Grade C | 9 | Stable | View |
| North Atlanta | GA | 66.7 | Grade C | 9 | Stable | View |
| Milton | GA | 66.7 | Grade C | 9 | Stable | View |
| Newnan | GA | 66.7 | Grade C | 9 | Stable | View |
| Mableton | GA | 66.7 | Grade C | 9 | Stable | View |
| Rome | GA | 66.7 | Grade C | 9 | Stable | View |
| East Point | GA | 66.7 | Grade C | 9 | Stable | View |
| Peachtree City | GA | 66.7 | Grade C | 9 | Stable | View |
| Redan | GA | 66.7 | Grade C | 9 | Stable | View |
| Douglasville | GA | 66.7 | Grade C | 9 | Stable | View |
| Woodstock | GA | 66.7 | Grade C | 9 | Stable | View |
| Duluth | GA | 66.7 | Grade C | 9 | Stable | View |
| Chamblee | GA | 66.7 | Grade C | 9 | Stable | View |
| Stockbridge | GA | 66.7 | Grade C | 9 | Stable | View |
| Tucker | GA | 66.7 | Grade C | 9 | Stable | View |
| Carrollton | GA | 66.7 | Grade C | 9 | Stable | View |
| Canton | GA | 66.7 | Grade C | 9 | Stable | View |
| McDonough | GA | 66.7 | Grade C | 9 | Stable | View |
| Candler-McAfee | GA | 66.7 | Grade C | 9 | Stable | View |