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 | |
|---|---|---|---|---|---|---|
| Huntington Park | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Arcadia | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Rosemead | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Sherman Oaks | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Encino | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Echo Park | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Altadena | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Venice | CA | 39.6 | Grade F | 13 | Worsening β | View |
| San Gabriel | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Culver City | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Monrovia | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Temple City | CA | 39.6 | Grade F | 13 | Worsening β | View |
| West Hollywood | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Beverly Hills | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Studio City | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Silver Lake | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Maywood | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Tujunga | CA | 39.6 | Grade F | 13 | Worsening β | View |
| South Pasadena | CA | 39.6 | Grade F | 13 | Worsening β | View |
| San Fernando | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Duarte | CA | 39.6 | Grade F | 13 | Worsening β | View |
| South El Monte | CA | 39.6 | Grade F | 13 | Worsening β | View |
| La CaΓ±ada Flintridge | CA | 39.6 | Grade F | 13 | Worsening β | View |
| La Crescenta-Montrose | CA | 39.6 | Grade F | 13 | Worsening β | View |
| Rubidoux | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Riverside | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| San Bernardino | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Fontana | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Moreno Valley | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Corona | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Rialto | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Perris | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Redlands | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Lake Elsinore | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Highland | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Colton | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Wildomar | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Norco | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Loma Linda | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Bloomington | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Jurupa Valley | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Glen Avon | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Sun City | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Mead Valley | CA | 38.1 | Grade F | 12.5 | Worsening β | View |
| Compton | CA | 38 | Grade F | 12.1 | Worsening β | View |
| Torrance | CA | 38 | Grade F | 12.1 | Worsening β | View |
| Downey | CA | 38 | Grade F | 12.1 | Worsening β | View |
| Norwalk | CA | 38 | Grade F | 12.1 | Worsening β | View |
| South Gate | CA | 38 | Grade F | 12.1 | Worsening β | View |
| Carson | CA | 38 | Grade F | 12.1 | Worsening β | View |