Air Quality in South Boston, United States

Drizzle
19.2°C · 51.1% humidity
19.2°
Feels 19.2°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
25 2pm
25
27
22 5pm
21
22
23 8pm
24
24
24 11pm
27
27
27 2am
27
27
27 5am
34
27
27 8am
24
24
24 11am
24
24
AD 728×90

Air Quality Index Trend

46h · 6 stn

South Boston's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in South Boston is 1.0× the WHO annual guideline of 5 µg/m³.

51.1%
Humidity
24.8 km/h
Wind W
1019.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.15 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for South Boston?

Temperature & Precipitation

PM2.5 Trend

46h · 6 stations
PM2.55.15 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
5.15
Median
5.64
Average
4.8
Low
7.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +1.0
Both models agree Avg diff: 4.5°C

Where are air quality stations near South Boston?

34
Boston Roxbury
2.8 km PM2.5: 8.2 µg/m³
23
Nubian Square - DEP Station
2.8 km PM2.5: 5.4 µg/m³
34
Boston
2.9 km PM2.5: 8.2 µg/m³
–
Boston
2.9 km
17
Milton Blue Hill Observatory
14.5 km PM2.5: 4.1 µg/m³

What cities are near South Boston?

22 Boston 21 Roxbury Crossing 21 Back Bay 21 Fenway/Kenmore 22 Dorchester 22 East Boston 22 Mission Hill 22 Charlestown 23 Ashmont 22 Brookline
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:47 UTC.