Worst now

Massachusetts air quality today

Boston Massachusetts55 ModerateUS AQI

Cooking smoke at home can easily exceed outdoor air at this level

Updated 9:40 am ET · AirNow

2 cities in Massachusetts are reporting. Median US AQI 47 (Good). Boston is at 55 (Moderate); Worcester is cleanest at 39.

#	City	US AQI
1	Boston	55
2	Worcester	39

Updated 9:40 am ET. Source: US EPA AirNow.