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State of Rhode Island Department of Environmental Management

Air Quality Forecast

Monday, August 18, 2025
Ozone AQI Rating Fine Particles AQI Rating
West Greenwich & Vicinity 38 Good West Greenwich & Vicinity 20 Good
Providence & Vicinity 37 Good Providence & Vicinity 30 Good
Southern & Coastal 39 Good Southern & Coastal 18 Good
Tuesday, August 19, 2025
Ozone AQI Rating Fine Particles AQI Rating
West Greenwich & Vicinity 39 Good West Greenwich & Vicinity 18 Good
Providence & Vicinity 38 Good Providence & Vicinity 30 Good
Southern & Coastal 38 Good Southern & Coastal 18 Good
Wednesday, August 20, 2025
Ozone AQI Rating Fine Particles AQI Rating
West Greenwich & Vicinity 38 Good West Greenwich & Vicinity 22 Good
Providence & Vicinity 38 Good Providence & Vicinity 36 Good
Southern & Coastal 40 Good Southern & Coastal 22 Good

Forecast Discussion

Sunday, August 17, 2025 | Updated 8:30 AM

Some slightly elevated PM 2.5 expected to hover around low MODERATE for Sunday. Hot and humid with SW winds and partly sunny skies. A big shift on Monday, with NE winds, temps dropping to the low 70s with low humidity. Air quality GOOD and looks like it will stay that way for Tuesday, Wednesday, and Thursday with highs continuing in the 70s. More easterly flow on Tues/Wed shifts north on Thursday. 

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.

Interested in More Information?

Learn About Ozone Learn About Fine Particles Recess Guidance for Schools Guidance for Wildfire Smoke
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Additional Resources

For further information, contact:

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