Boston
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
Local Air Quality Resources
MassDEP Daily Air Quality Forecast | MassDEP Real-time Air Quality Data
 
State Air Quality Resources
American Lung Association (ALA) of Massachusetts
Massachusetts - Department of Environmental Protection (DEP)
Massachusetts - Executive Office of Environmental Affairs
Massachusetts DEP - Contacts
Massachusetts DEP - Daily Air Quality Forecast
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Data Not Available
AQI - Pollutant Details
Ozone
Good
Good
Particles (PM2.5)
55 
Moderate
Data Not Available

Current Conditions
Air Quality Index (AQI)
observed at 9:00 EDT
56
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 56 Moderate
Ozone 27 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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Boston, MA
 
Boston, MA

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