What Is Air Quality in Johnson, Iowa, IA?
Johnson, Iowa, IA has an Air Quality Grade of C with a 5-year median AQI of 48. The dominant pollutant is PM2.5.
Key Data
| Metric | Value |
|---|---|
| Air Quality Grade | C (57/100) |
| 5-Year Median AQI | 48 |
| Current Median AQI | 53 |
| Dominant Pollutant | PM2.5 |
| Trend | Worsening |
| Unhealthy Days (5yr) | 10 |
Johnson, Iowa, IA has an Air Quality Grade of C with a 5-year median AQI of 48. The dominant pollutant is PM2.5.