Massachusetts
38 monitoring stations · readings from 42 to 52
Average AQI
Air quality in Massachusetts
Air quality in Massachusetts is currently 47 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in Massachusetts right now.
We aggregate 38 stations across Massachusetts. Individual stations range from 42 at the cleanest to 52 at the worst, so conditions vary across Massachusetts — the local figure matters more than the average.
Massachusetts breaks down into 21 cities you can open individually. Of those listed below, Milton is reading highest at 52 and Ware lowest at 42.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in Massachusetts
21 cities
Milton
Moderate
- Stations
- 2
- Range
- 52–52
North Adams
Good
- Stations
- 2
- Range
- 50–50
Worcester
Good
- Stations
- 3
- Range
- 50–50
Boston
Good
- Stations
- 6
- Range
- 46–47
Chelmsford
Good
- Stations
- 2
- Range
- 46–47
Chilmark
Good
- Stations
- 2
- Range
- 46–47
Greenfield
Good
- Stations
- 2
- Range
- 47–47
Pittsfield
Good
- Stations
- 1
- Range
- 47–47
Somerset
Good
- Stations
- 1
- Range
- 47–47
Truro
Good
- Stations
- 1
- Range
- 47–47
Weymouth
Good
- Stations
- 1
- Range
- 47–47
Brockton
Good
- Stations
- 2
- Range
- 46–46
Chelsea
Good
- Stations
- 2
- Range
- 46–46
Chicopee
Good
- Stations
- 1
- Range
- 46–46
Fairhaven
Good
- Stations
- 1
- Range
- 46–46
Haverhill
Good
- Stations
- 2
- Range
- 46–46
Lynn
Good
- Stations
- 2
- Range
- 46–46
Seekonk
Good
- Stations
- 1
- Range
- 46–46
Springfield
Good
- Stations
- 1
- Range
- 46–46
Uxbridge
Good
- Stations
- 1
- Range
- 46–46
Ware
Good
- Stations
- 2
- Range
- 42–42
About Massachusetts
Coordinates
42.263, -71.503
Centroid of monitored stations
Stations
38
Reporting in this area
Spread
42 – 52
Cleanest to worst station reading
Other regions nearby
Massachusetts air quality, answered
Massachusetts is currently reading an AQI of 47, which is Good. It is the average across 38 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
47 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 38 stations in Massachusetts, reading between 42 and 52.
Of the cities currently listed for Massachusetts, Milton is reading highest at 52 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Massachusetts on the map.
Every station around it, live — or find out what today's reading means for you personally.


