Right now
5 µg/m³ Good
Median NowCast across reporting stations
Worst right now: Brockton — 9 µg/m³ (Moderate)
21 of 21 stations reporting in the last 6 hours
Stations by air-quality category
Good · 20Moderate · 1
Highest readings right now
Brockton9 µg/m³Moderate
Fall River8 µg/m³Good
Weymouth7 µg/m³Good
Boston - Von Hillern St6 µg/m³Good
Boston - Chinatown6 µg/m³Good
All stations (21)
| Station | NowCast | Category | 48 h forecast peak |
|---|---|---|---|
| Brockton | 9 µg/m³ | Moderate | 12 µg/m³ |
| Fall River | 8 µg/m³ | Good | 13 µg/m³ |
| Weymouth | 7 µg/m³ | Good | 16 µg/m³ |
| Boston - Von Hillern St | 6 µg/m³ | Good | 31 µg/m³ |
| Boston - Chinatown | 6 µg/m³ | Good | 31 µg/m³ |
| Uxbridge | 6 µg/m³ | Good | 9 µg/m³ |
| Boston - Kenmore Sq | 6 µg/m³ | Good | 26 µg/m³ |
| Boston - Roxbury | 5 µg/m³ | Good | 31 µg/m³ |
| Chelsea | 5 µg/m³ | Good | 31 µg/m³ |
| Chicopee | 5 µg/m³ | Good | 15 µg/m³ |
| Saugus | 5 µg/m³ | Good | 25 µg/m³ |
| Pittsfield | 5 µg/m³ | Good | 6 µg/m³ |
| Springfield | 5 µg/m³ | Good | 14 µg/m³ |
| Greenfield | 5 µg/m³ | Good | 5 µg/m³ |
| North Adams | 5 µg/m³ | Good | 7 µg/m³ |
| Framingham | 4 µg/m³ | Good | 13 µg/m³ |
| Chelmsford - Manning Rd | 4 µg/m³ | Good | 11 µg/m³ |
| Lynn | 4 µg/m³ | Good | 25 µg/m³ |
| Worcester - Summer St | 4 µg/m³ | Good | 12 µg/m³ |
| Belchertown | 4 µg/m³ | Good | 9 µg/m³ |
| Haverhill | 3 µg/m³ | Good | 15 µg/m³ |