Boston Air Quality

Monitoring Station · Boston, United States
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 5pm
36
36
36 8pm
36
36
36 11pm
36
36
29 2am
29
27
27 5am
26
26
— 8am
—
—
— 11am
—
—
— 2pm
—
—
CAMS model adj +2
34
34
34
34
34
34
34
34
34
27
27
25
25
24
24

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

52
Boston
0.0 km PM2.5: 12.6 µg/m³
53
Nubian Square - DEP Station
3.7 km PM2.5: 13.2 µg/m³
9
Boston Roxbury
3.7 km PM2.5: 2.2 µg/m³
65
Magazine Beach Park
4.6 km PM2.5: 18.9 µg/m³
21
Milton Blue Hill Observatory
16.9 km PM2.5: 5.0 µg/m³

Nearby Cities

47 Boston 50 Charlestown 53 Back Bay 49 East Boston 49 South Boston 57 Fenway/Kenmore 52 Roxbury Crossing 58 Cambridge 51 Chelsea

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:45 UTC.