Air Quality in Dorchester, United States

Windy
13.3°C · 31.0% humidity
13.3°
Feels 13.3°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
22 4pm
22
22
— 7pm
—
—
— 10pm
—
—
— 1am
—
—
— 4am
—
—
— 7am
—
—
— 10am
—
—
— 1pm
—
—
Station readings
22
22
22
CAMS model adj -46
AD 728×90

PM2.5 Trend (24h)

23h · 2 stations
31.0%
Humidity
74.0 km/h
Wind SSW
1033.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Dorchester?

Temperature & Precipitation

PM2.55.26 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
5.26
Median
5.26
Average
5.26
Low
5.26
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +18.1

What is the 7-day forecast for Dorchester?

04-09
13.3° -0.7°
04-10
19.2° 3.4°
04-11
22.8° 7.9°
04-12
17.3° 7.3°
04-13
13.1° 8.5°
1.75 mm
04-14
26.5° 13.6°
0.25 mm
04-15
25.3° 19.1°
0.19 mm
Both models agree Avg diff: 4.3°C

Where are air quality stations near Dorchester?

37
Boston Von Hillern
3.4 km
39
Boston Von Hillern
3.4 km
39
Boston Roxbury
3.6 km
22
Nubian Square - DEP Station
3.6 km PM2.5: 5.2 µg/m³
39
Boston
6.9 km
39
Boston
6.9 km
33
Magazine Beach Park
7.3 km PM2.5: 7.9 µg/m³ PM10: 9.2 µg/m³
38
Milton Blue Hill Observatory
10.1 km
42
Milton Blue Hill Observatory
10.1 km
37
Milton Blue Hill Observatory
10.1 km

What cities are near Dorchester?

22 Ashmont 22 Mattapan 22 Roxbury Crossing 22 Jamaica Plain 22 Roslindale 22 South Boston 22 Mission Hill 22 Milton 22 Brookline 22 Fenway/Kenmore

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T19:29 UTC.