AQI 30 · PM2.5 · Trend: Stable
| Average AQI | 30 |
| Good Days / Year | 310 |
| Unhealthy Days / Year | 2 |
| Primary Pollutant | PM2.5 |
| PM2.5 Average | 5.5 µg/m³ |
| Trend | → Stable |
| Monitoring Stations | 6 |
| Nonattainment Areas | 0 |
Vermont has some of the cleanest air in the nation, thanks to its small population, lack of heavy industry, and strong environmental policies. The Green Mountains provide pristine air quality that attracts visitors and residents alike.
VT DEC Air Quality Division manages standards. Adopts California vehicle emission standards. Member of RGGI. Strong clean energy mandates.
No nonattainment areas. Vermont has among the cleanest air in the United States.