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Air Quality Forecast

Tuesday March 20, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 40 Good Alton Jones & Vicinity 14 Good
Providence & Vicinity 39 Good Providence & Vicinity 26 Good
Southern & Coastal 41 Good Southern & Coastal 16 Good
Wednesday March 21, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 42 Good Alton Jones & Vicinity 12 Good
Providence & Vicinity 41 Good Providence & Vicinity 24 Good
Southern & Coastal 43 Good Southern & Coastal 14 Good
Thursday March 22, 2018
Ozone AQI Rating Fine Particles AQI Rating
Alton Jones & Vicinity 43 Good Alton Jones & Vicinity 18 Good
Providence & Vicinity 42 Good Providence & Vicinity 28 Good
Southern & Coastal 44 Good Southern & Coastal 20 Good
Forecast Discussion

Monday, March 19, 2018, 3:00 PM

Synopsis: On Tuesday, increasing clouds with temperatures still running below normal, highs around 40F with GOOD air quality. Yet another coastal storm moving up from the Southeast will impact RI on Wednesday, as winds increasing from the northeast, a mix of snow/rain developing later in the day and GOOD air quality. The system should be lifting out Thursday, with lingering clouds, highs in the low 40s and more sunshine as the day progresses. Air quality remains GOOD.


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