| Good Air Quality |
0-1 |
Air quality is considered satisfactory, and air pollution poses little or no risk |
| FairAQ |
1-2 |
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Moderate Air Quality |
2-3 |
Members of sensitive groups may experience health effects. The general public is not likely to be affected. |
| PoorAQ |
3-4 |
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. |
| VeryPoorAQ |
4-5 |
Health alert: everyone may experience more serious health effects |
| ExtremelyPoorAQ |
> 5 |
Health warnings of emergency conditions. The entire population is more likely to be affected |
| More information: EPA Air Quality Index Sensor data captured at: 2026-07-21 09:00 |