What Is Air Quality in Madison, Illinois, IL?
Madison, Illinois, IL has an Air Quality Grade of C with a 5-year median AQI of 55. The dominant pollutant is PM2.5.
Key Data
| Metric | Value |
|---|---|
| Air Quality Grade | C (50/100) |
| 5-Year Median AQI | 55 |
| Current Median AQI | 55 |
| Dominant Pollutant | PM2.5 |
| Trend | Worsening |
| Unhealthy Days (5yr) | 37 |
Madison, Illinois, IL has an Air Quality Grade of C with a 5-year median AQI of 55. The dominant pollutant is PM2.5.