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Air Quality Forecast

Saturday November 18, 2017
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 28 Good Alton Jones & Vicinity 14 Good
Providence & Vicinity 27 Good Providence & Vicinity 25 Good
Southern & Coastal 29 Good Southern & Coastal 16 Good
Sunday November 19, 2017
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 26 Good Alton Jones & Vicinity 10 Good
Providence & Vicinity 25 Good Providence & Vicinity 20 Good
Southern & Coastal 26 Good Southern & Coastal 10 Good
Monday November 20, 2017
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 36 Good Alton Jones & Vicinity 20 Good
Providence & Vicinity 35 Good Providence & Vicinity 32 Good
Southern & Coastal 37 Good Southern & Coastal 22 Good
Forecast Discussion

Friday, November 17, 2017, 3:00 PM

Synopsis: Sunny to start on Saturday, with increasing clouds and gusty winds out of the southwest as the day progresses. Mild with highs in the mid 50s, GOOD air quality, and a chance of showers late day. Showers early Sunday, with continued strong southwest winds, switching northwest behind a frontal passage. Good mixing will make for GOOD air quality, with early day highs in the mid 50s, cooling through the day. Clearing late Sunday and into the overnight, leading to a mostly sunny and dry Monday, with GOOD air quality and highs in the mid 40s.


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