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)
30
Good
Southbridge Town, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.71 μg/m³
0
55
155
255
425
605+
31.77 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
2.52 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Southbridge Town, Massachusetts
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AQI 30
Good
2.83μg/m³
PM2.5
9.43μg/m³
PM10
31.75ppb
O3
0.25ppb
SO2
2.18ppb
NO2
0.19ppm
CO
AQI 27
Good
2.69μg/m³
PM2.5
10.89μg/m³
PM10
29.25ppb
O3
0.25ppb
SO2
2.19ppb
NO2
0.19ppm
CO
AQI 28
Good
2.75μg/m³
PM2.5
7.97μg/m³
PM10
30.41ppb
O3
0.25ppb
SO2
2.19ppb
NO2
0.19ppm
CO
AQI 30
Good
2.82μg/m³
PM2.5
9.51μg/m³
PM10
31.70ppb
O3
0.26ppb
SO2
2.17ppb
NO2
0.21ppm
CO
AQI 29
Good
3.09μg/m³
PM2.5
8.56μg/m³
PM10
30.68ppb
O3
0.26ppb
SO2
1.99ppb
NO2
0.20ppm
CO
AQI 28
Good
2.69μg/m³
PM2.5
6.37μg/m³
PM10
29.87ppb
O3
0.29ppb
SO2
1.98ppb
NO2
0.20ppm
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 04:00:00 on 2026-02-11.
The best air quality in Southbridge Town, Massachusetts was recorded at 03:00:00 on 2026-02-12.
The real-time air quality index in Southbridge Town, Massachusetts is 30, currently categorized as Good.
The most common pollutant in Southbridge Town, Massachusetts is O3.
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 3.198 μg/m3.
The current PM10 levels in Southbridge Town, Massachusetts are 7.708 μg/m3.
The current carbon monoxide (CO) level in Southbridge Town, Massachusetts is 0.169 ppm.
The current sulfur dioxide (SO2) levels in Southbridge Town, Massachusetts are 0.23 ppb.
The current ozone (O3) levels at Southbridge Town, Massachusetts is 31.773 ppm.
The current nitrogen dioxide (NO2) levels at Southbridge Town, Massachusetts is 2.516 ppb.
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