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)
43
Good
Stoughton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.99 μg/m³
0
55
155
255
425
605+
45.76 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
2.87 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stoughton, Massachusetts
Stoughton, Massachusetts
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AQI 42
Good
2.72μg/m³
PM2.5
11.53μg/m³
PM10
44.69ppb
O3
0.79ppb
SO2
2.22ppb
NO2
0.21ppm
CO
AQI 39
Good
2.55μg/m³
PM2.5
10.33μg/m³
PM10
41.96ppb
O3
0.60ppb
SO2
3.83ppb
NO2
0.23ppm
CO
AQI 43
Good
2.69μg/m³
PM2.5
11.40μg/m³
PM10
45.53ppb
O3
0.76ppb
SO2
2.80ppb
NO2
0.21ppm
CO
AQI 44
Good
2.81μg/m³
PM2.5
12.17μg/m³
PM10
46.89ppb
O3
0.72ppb
SO2
3.22ppb
NO2
0.22ppm
CO
AQI 45
Good
3.27μg/m³
PM2.5
14.82μg/m³
PM10
48.84ppb
O3
0.62ppb
SO2
3.91ppb
NO2
0.23ppm
CO
AQI 40
Good
2.69μg/m³
PM2.5
11.17μg/m³
PM10
42.59ppb
O3
0.85ppb
SO2
3.35ppb
NO2
0.21ppm
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 01:00:00 on 2026-06-15.
The best air quality in Stoughton, Massachusetts was recorded at 03:00:00 on 2026-06-15.
The real-time air quality index in Stoughton, Massachusetts is 43, currently categorized as Good.
The most common pollutant in Stoughton, Massachusetts is O3.
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 2.795 μg/m3.
The current PM10 levels in Stoughton, Massachusetts are 11.99 μg/m3.
The current carbon monoxide (CO) level in Stoughton, Massachusetts is 0.216 ppm.
The current sulfur dioxide (SO2) levels in Stoughton, Massachusetts are 0.743 ppb.
The current ozone (O3) levels at Stoughton, Massachusetts is 45.761 ppm.
The current nitrogen dioxide (NO2) levels at Stoughton, Massachusetts is 2.87 ppb.
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