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Air Quality Forecast

Monday July 16, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 87 Moderate Alton Jones & Vicinity 54 Moderate
Providence & Vicinity 74 Moderate Providence & Vicinity 62 Moderate
Southern & Coastal 82 Moderate Southern & Coastal 56 Moderate
Tuesday July 17, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 46 Good Alton Jones & Vicinity 34 Good
Providence & Vicinity 45 Good Providence & Vicinity 46 Good
Southern & Coastal 46 Good Southern & Coastal 32 Good
Wednesday July 18, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 45 Good Alton Jones & Vicinity 24 Good
Providence & Vicinity 44 Good Providence & Vicinity 32 Good
Southern & Coastal 46 Good Southern & Coastal 26 Good
Forecast Discussion

Monday July 16, 2018, 12:00 PM

Warm and humid weather in place for the beginning of the week. For Monday, more sun than clouds, highs into the 80s, with a chance of an isolate thunderstorm. Ozone will go well into the MODERATE range, but cleaner southerly winds during the afternoon will prevent ozone from reaching UNHEALTHY. Fine particles expected well into the MODERATE, highest around Providence. A bit more clouds on Tuesday, with showers and thunderstorms likely, highs again in the 80s, humid, with steady south southwest winds keeping the air quality GOOD. A front should pass early Wednesday with showers or thunder, with drier weather late day, and air quality GOOD under light northwest flows. Highs again into the 80s.


Air Quality Guide for Particle Pollution

Air Quality Index Levels of Health Concern Numerical Value Meaning
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.
Very Unhealthy 200-301 Health warnings of emergency conditions. The entire population is more likely to be affected.


Phone Numbers

DEM's daily air quality readings: 1-401-222-2808
ALA's air pollution or lung health information: 1-800-LUNG-USA
State clean air programs: 1-401-222-2808

This information was provided by the:
Department of Environmental Management
Office of Air Resources
235 Promenade Street, Room 230, Providence, RI 02908

DEM provides a daily Ozone and Fine Particle forecast all year round.


For further information, contact Darren Austin at 401-222-2808 x7430.

Rev. 7/21/16