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State of Rhode Island Department of Environmental Management

Air Quality Forecast

Saturday, March 21, 2026
Ozone AQI Rating Fine Particles AQI Rating
Western 40 Good Western 24 Good
Providence 39 Good Providence 32 Good
Coastal 41 Good Coastal 20 Good
Sunday, March 22, 2026
Ozone AQI Rating Fine Particles AQI Rating
Western 42 Good Western 28 Good
Providence 41 Good Providence 40 Good
Coastal 42 Good Coastal 30 Good
Monday, March 23, 2026
Ozone AQI Rating Fine Particles AQI Rating
Western 38 Good Western 22 Good
Providence 35 Good Providence 30 Good
Coastal 38 Good Coastal 20 Good

Forecast Discussion

Friday, March 20, 2025 | Updated 9:20 AM

Air quality will be GOOD through the weekend and into Monday, with a couple quick moving fronts keeping things breezy. Increasing sun on Saturday, with gusty NW winds (good mixing and GOOD air quality), and temperatures topping near 50F. An approaching low and warm front on Sunday will bring clouds and showers. Winds SW, with GOOD air quality. Highs in the upper 40s. The low passes east on Monday with NNE winds behind it, resulting in GOOD air quality. Rain showers possible for the 1st half of the day. 

Air Quality Forecast Regions

western
providence
coastal

Air Quality Index (AQI)

Rating Index Cautionary Statements
Good 0-50 Air quality is considered satisfactory and air pollution poses little or no risk.
Moderate 51-100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for Sensitive Groups 101-150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy 151-200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 201-300 Health Alert: Everyone may experience more serious health effects.
Hazardous 301 and higher Health warnings of emergency conditions. The entire population is more likely to be affected.

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Additional Resources

For further information, contact:

Darren Austin at (401) 537-4404
Joseph Poccia at (401) 537-4385