Stay updated with real-time air quality in Southbridge Town, Massachusetts featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Southbridge Town, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.52 μg/m³
0
55
155
255
425
605+
32.98 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
2.40 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southbridge Town, Massachusetts
Southbridge Town, Massachusetts
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AQI 58
Moderate
12.77μg/m³
PM2.5
53.20μg/m³
PM10
34.66ppb
O3
0.29ppb
SO2
3.40ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
42.79μg/m³
PM10
37.21ppb
O3
0.20ppb
SO2
3.42ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
53.27μg/m³
PM10
36.50ppb
O3
0.29ppb
SO2
3.46ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.80μg/m³
PM2.5
53.33μg/m³
PM10
36.52ppb
O3
0.28ppb
SO2
3.42ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
53.14μg/m³
PM10
35.65ppb
O3
0.25ppb
SO2
3.11ppb
NO2
0.14ppm
CO
AQI 58
Moderate
13.30μg/m³
PM2.5
47.20μg/m³
PM10
35.25ppb
O3
0.18ppb
SO2
3.13ppb
NO2
0.16ppm
CO
Air quality measurements for Massachusetts, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Southbridge Town, Massachusetts is updated on an hourly basis.
The worst air quality in Southbridge Town, Massachusetts was recorded at 06:00:00 on 2026-06-29.
The best air quality in Southbridge Town, Massachusetts was recorded at 11:00:00 on 2026-06-29.
The real-time air quality index in Southbridge Town, Massachusetts is 52, currently categorized as Moderate.
The most common pollutant in Southbridge Town, Massachusetts is PM2.5.
If the air quality in Southbridge Town, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Southbridge Town, Massachusetts at present are 9.64 μg/m3.
The current PM10 levels in Southbridge Town, Massachusetts are 44.52 μg/m3.
The current carbon monoxide (CO) level in Southbridge Town, Massachusetts is 0.146 ppm.
The current sulfur dioxide (SO2) levels in Southbridge Town, Massachusetts are 0.3 ppb.
The current ozone (O3) levels at Southbridge Town, Massachusetts is 32.983 ppm.
The current nitrogen dioxide (NO2) levels at Southbridge Town, Massachusetts is 2.397 ppb.
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