Stay updated with real-time air quality in Stoughton, 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)
54
Moderate
Stoughton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.94 μg/m³
0
55
155
255
425
605+
36.54 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
3.97 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stoughton, Massachusetts
Stoughton, Massachusetts
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AQI 54
Moderate
10.94μg/m³
PM2.5
48.93μg/m³
PM10
36.77ppb
O3
0.88ppb
SO2
4.89ppb
NO2
0.15ppm
CO
AQI 52
Moderate
10.17μg/m³
PM2.5
41.87μg/m³
PM10
38.34ppb
O3
0.64ppb
SO2
4.39ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.36μg/m³
PM2.5
45.42μg/m³
PM10
36.03ppb
O3
0.84ppb
SO2
3.89ppb
NO2
0.15ppm
CO
AQI 54
Moderate
10.93μg/m³
PM2.5
48.02μg/m³
PM10
36.65ppb
O3
0.78ppb
SO2
3.28ppb
NO2
0.16ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
62.07μg/m³
PM10
38.84ppb
O3
0.66ppb
SO2
2.91ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.17μg/m³
PM2.5
43.99μg/m³
PM10
34.87ppb
O3
0.96ppb
SO2
5.49ppb
NO2
0.15ppm
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 Stoughton, Massachusetts is updated on an hourly basis.
The worst air quality in Stoughton, Massachusetts was recorded at 06:00:00 on 2026-06-29.
The best air quality in Stoughton, Massachusetts was recorded at 08:00:00 on 2026-06-29.
The real-time air quality index in Stoughton, Massachusetts is 54, currently categorized as Moderate.
The most common pollutant in Stoughton, Massachusetts is PM2.5.
If the air quality in Stoughton, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Stoughton, Massachusetts at present are 11.079 μg/m3.
The current PM10 levels in Stoughton, Massachusetts are 48.943 μg/m3.
The current carbon monoxide (CO) level in Stoughton, Massachusetts is 0.155 ppm.
The current sulfur dioxide (SO2) levels in Stoughton, Massachusetts are 0.819 ppb.
The current ozone (O3) levels at Stoughton, Massachusetts is 36.542 ppm.
The current nitrogen dioxide (NO2) levels at Stoughton, Massachusetts is 3.97 ppb.
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