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 | |
|---|---|---|---|---|---|---|
| Dracut | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| North Andover | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Merrimack | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Saugus | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Danvers | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Wakefield | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Reading | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Wilmington | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Marblehead | MA | 55.4 | Grade C | 8.8 | Worsening β | View |
| Corcoran | CA | 53.2 | Grade D | 10.1 | Improving β | View |
| Delano | CA | 53.2 | Grade D | 10.1 | Improving β | View |
| North Little Rock | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Little Rock | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Conway | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Pine Bluff | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Hot Springs | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Hot Springs National Park | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Benton | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Sherwood | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Jacksonville | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Cabot | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Searcy | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Bryant | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Maumelle | AR | 53 | Grade D | 10.9 | Worsening β | View |
| Fairbanks | AK | 52.8 | Grade D | 8.8 | Improving β | View |
| Memphis | TN | 52.8 | Grade D | 11 | Worsening β | View |
| New South Memphis | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Bartlett | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Southaven | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Collierville | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Germantown | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Olive Branch | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Horn Lake | TN | 52.8 | Grade D | 11 | Worsening β | View |
| West Memphis | TN | 52.8 | Grade D | 11 | Worsening β | View |
| Badger | AK | 52.8 | Grade D | 8.8 | Improving β | View |
| Birmingham | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Hoover | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Vestavia Hills | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Alabaster | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Bessemer | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Homewood | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Dixiana | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Pelham | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Trussville | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Mountain Brook | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Helena | AL | 52 | Grade D | 11.3 | Worsening β | View |
| Center Point | AL | 52 | Grade D | 11.3 | Worsening β | View |
| El Paso | TX | 49.5 | Grade D | 10.7 | Worsening β | View |
| Socorro | TX | 49.5 | Grade D | 10.7 | Worsening β | View |
| Socorro Mission Number 1 Colonia | TX | 49.5 | Grade D | 10.7 | Worsening β | View |