Air Quality in Rhode Island

Rhode Island has 3 counties with EPA air quality monitoring. Air quality is stable across the state, with an average of 313 "Good" days per county per year. The best air quality is in Kent (median AQI 31) and the most polluted is Providence (median AQI 38).

County Median AQI Max AQI Good Days Unhealthy Days Trend Top Pollutant
Kent 31 97 332 0 → stable PM2.5
Providence 38 72 293 0 → stable PM2.5
Washington 35 147 316 3 → stable Ozone