Today's Air Quality Maps

Current AQI
Today's AQI Animation

0-50	51-100	101-150	151-200	201-300	301+
Good	Moderate	USG*	Unhealthy	Very Unhealthy	Hazardous
*Unhealthy for Sensitive Groups

OZONE AND PARTICLE POLLUTION

These maps are created by the Air Quality Mapping System from ozone and particle data gathered from a nationwide network of state and local air monitoring stations. The maps show the higher of the estimated ozone AQI and PM2.5 AQI. Each AQI value is calculated in accordance with EPA's Air Quality Index for ozone and particle pollution.

New England Air Quality

To see forecasted and measured AQI values for your state, please select the appropriate link.

Connecticut
Maine
Massachusetts
New Hampshire
Rhode Island
Vermont

View AQI maps for other days and domains in the United States.

Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, & Tribal Nations

Today's Air Quality Maps

OZONE AND PARTICLE POLLUTION

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