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)
35
Good
Southbridge Town, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.64 μg/m³
0
55
155
255
425
605+
37.65 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
20.32 ppb
0
54
101
361
1250
2050+
0.39 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 35
Good
4.82μg/m³
PM2.5
23.17μg/m³
PM10
38.28ppb
O3
0.41ppb
SO2
20.81ppb
NO2
0.38ppm
CO
AQI 35
Good
6.10μg/m³
PM2.5
21.69μg/m³
PM10
37.76ppb
O3
0.42ppb
SO2
20.16ppb
NO2
0.44ppm
CO
AQI 34
Good
5.67μg/m³
PM2.5
23.33μg/m³
PM10
36.70ppb
O3
0.44ppb
SO2
20.48ppb
NO2
0.42ppm
CO
AQI 32
Good
4.79μg/m³
PM2.5
23.11μg/m³
PM10
34.78ppb
O3
0.42ppb
SO2
20.98ppb
NO2
0.38ppm
CO
AQI 38
Good
7.05μg/m³
PM2.5
39.00μg/m³
PM10
36.90ppb
O3
0.44ppb
SO2
20.04ppb
NO2
0.36ppm
CO
AQI 34
Good
5.10μg/m³
PM2.5
24.81μg/m³
PM10
37.33ppb
O3
0.53ppb
SO2
22.88ppb
NO2
0.32ppm
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 01:00:00 on 2025-12-28.
The best air quality in Southbridge Town, Massachusetts was recorded at 03:00:00 on 2025-12-28.
The real-time air quality index in Southbridge Town, Massachusetts is 35, 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 5.996 μg/m3.
The current PM10 levels in Southbridge Town, Massachusetts are 21.637 μg/m3.
The current carbon monoxide (CO) level in Southbridge Town, Massachusetts is 0.391 ppm.
The current sulfur dioxide (SO2) levels in Southbridge Town, Massachusetts are 0.388 ppb.
The current ozone (O3) levels at Southbridge Town, Massachusetts is 37.646 ppm.
The current nitrogen dioxide (NO2) levels at Southbridge Town, Massachusetts is 20.32 ppb.
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