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)
73
Moderate
Southbridge Town, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
20.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
73.85 μg/m³
0
55
155
255
425
605+
23.08 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
5.18 ppb
0
54
101
361
1250
2050+
0.29 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 56
Moderate
11.51μg/m³
PM2.5
41.94μg/m³
PM10
23.68ppb
O3
0.17ppb
SO2
13.45ppb
NO2
0.26ppm
CO
AQI 58
Moderate
13.14μg/m³
PM2.5
31.55μg/m³
PM10
20.02ppb
O3
0.20ppb
SO2
14.33ppb
NO2
0.26ppm
CO
AQI 58
Moderate
13.00μg/m³
PM2.5
41.68μg/m³
PM10
25.03ppb
O3
0.20ppb
SO2
13.68ppb
NO2
0.26ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
42.31μg/m³
PM10
19.49ppb
O3
0.18ppb
SO2
12.23ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.45μg/m³
PM2.5
38.02μg/m³
PM10
39.75ppb
O3
0.17ppb
SO2
10.15ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.50μg/m³
PM2.5
38.48μg/m³
PM10
30.74ppb
O3
0.19ppb
SO2
10.42ppb
NO2
0.25ppm
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 02:00:00 on 2025-07-31.
The best air quality in Southbridge Town, Massachusetts was recorded at 05:00:00 on 2025-07-31.
The real-time air quality index in Southbridge Town, Massachusetts is 58, 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 13.079 μg/m3.
The current PM10 levels in Southbridge Town, Massachusetts are 31.322 μg/m3.
The current carbon monoxide (CO) level in Southbridge Town, Massachusetts is 0.259 ppm.
The current sulfur dioxide (SO2) levels in Southbridge Town, Massachusetts are 0.168 ppb.
The current ozone (O3) levels at Southbridge Town, Massachusetts is 25.619 ppm.
The current nitrogen dioxide (NO2) levels at Southbridge Town, Massachusetts is 14.188 ppb.
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