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.
Trending City Reports
Prioritize these pages if you are tracking AQI today, 2021 median AQI, or unhealthy-day trends:
Popular Search Cities
These pages already have search demand and are the fastest path to higher CTR:
| City | State | Score | Grade | PM2.5 (Ann.) | Trend | |
|---|---|---|---|---|---|---|
| Crest Hill | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Corinth | TX | 73.4 | Grade B | 7.7 | Stable | View |
| Mokena | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Frankfort | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Bourbonnais | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Goodings Grove | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Ottawa | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Shorewood | IL | 73.4 | Grade B | 7.8 | Improving β | View |
| Hendersonville | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Bowling Green | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Gallatin | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Mount Juliet | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Lebanon | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Goodlettsville | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Springfield | TN | 73.2 | Grade B | 7.8 | Worsening β | View |
| Brawley | CA | 73.1 | Grade B | 7.7 | Improving β | View |
| Marrero | LA | 73.1 | Grade B | 7.6 | Stable | View |
| Warren | OH | 73.1 | Grade B | 7.8 | Worsening β | View |
| Harvey | LA | 73.1 | Grade B | 7.6 | Stable | View |
| Niles | OH | 73.1 | Grade B | 7.8 | Worsening β | View |
| Gretna | LA | 73.1 | Grade B | 7.6 | Stable | View |
| Kenner | LA | 72.9 | Grade B | 7.6 | Stable | View |
| Metairie Terrace | LA | 72.9 | Grade B | 7.6 | Stable | View |
| Houma | LA | 72.9 | Grade B | 7.6 | Stable | View |
| Laplace | LA | 72.9 | Grade B | 7.6 | Stable | View |
| Hammond | LA | 72.9 | Grade B | 7.6 | Stable | View |
| Bayou Cane | LA | 72.9 | Grade B | 7.6 | Stable | View |
| East Chicago | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Marysville | WA | 72.8 | Grade B | 7.9 | Improving β | View |
| Everett | WA | 72.8 | Grade B | 7.9 | Improving β | View |
| Chicago Lawn | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| South Shore | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Auburn Gresham | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Ashburn | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Gage Park | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| New City | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Bridgeport | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| West Lawn | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Greater Grand Crossing | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| West Englewood | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Chatham | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Lake Stevens | WA | 72.8 | Grade B | 7.9 | Improving β | View |
| South Chicago | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Hyde Park | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| North Creek | WA | 72.8 | Grade B | 7.9 | Improving β | View |
| Englewood | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Woodlawn | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Picnic Point-North Lynnwood | WA | 72.8 | Grade B | 7.9 | Improving β | View |
| Near South Side | IN | 72.8 | Grade B | 7.9 | Improving β | View |
| Grand Boulevard | IN | 72.8 | Grade B | 7.9 | Improving β | View |