Air Quality Rankings for Rhode Island 2026
Rhode Island has 3 cities with EPA air quality data. Kent, Rhode Island has the cleanest air with a 5-year average AQI of 35. Providence, Rhode Island has the highest AQI at 45.
| # | City | 5yr Avg AQI | Current AQI | Worst Pollutant | Trend | Grade |
|---|---|---|---|---|---|---|
| 1 | Kent, Rhode Island | 35 | 40 | Ozone | Stable | B |
| 2 | Washington, Rhode Island | 37 | 40 | Ozone | Stable | B |
| 3 | Providence, Rhode Island | 45 | 46 | PM2.5 | Improving | B |
Air quality data for Rhode Island is sourced from the EPA Air Quality System (AQS), which monitors outdoor air quality at thousands of stations nationwide.
Frequently Asked Questions
Kent, Rhode Island has the best air quality in Rhode Island with a 5-year average AQI of 35 and a grade of B.
Rhode Island has 3 cities with EPA air quality monitoring data in our database, covering multiple years of AQI measurements.
The Air Quality Index (AQI) measures five major pollutants: ground-level ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Lower AQI values indicate cleaner air — 0-50 is "Good," while 150+ is "Unhealthy."
Cities ranked by 5-year average AQI (lower is better). Grades factor in average AQI, trend direction, unhealthy days, and dominant pollutant.