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)
24
Good
Stoughton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.98 μg/m³
0
55
155
255
425
605+
25.75 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
4.14 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stoughton, Massachusetts
Stoughton, Massachusetts
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AQI 20
Good
1.48μg/m³
PM2.5
6.08μg/m³
PM10
21.97ppb
O3
0.67ppb
SO2
2.64ppb
NO2
0.26ppm
CO
AQI 20
Good
1.36μg/m³
PM2.5
4.92μg/m³
PM10
22.46ppb
O3
0.62ppb
SO2
2.38ppb
NO2
0.26ppm
CO
AQI 23
Good
1.73μg/m³
PM2.5
7.16μg/m³
PM10
25.38ppb
O3
0.84ppb
SO2
3.81ppb
NO2
0.28ppm
CO
AQI 24
Good
1.50μg/m³
PM2.5
6.18μg/m³
PM10
26.39ppb
O3
0.77ppb
SO2
3.54ppb
NO2
0.27ppm
CO
AQI 26
Good
0.84μg/m³
PM2.5
3.17μg/m³
PM10
27.90ppb
O3
0.65ppb
SO2
3.98ppb
NO2
0.26ppm
CO
AQI 20
Good
1.68μg/m³
PM2.5
6.78μg/m³
PM10
22.31ppb
O3
0.71ppb
SO2
4.15ppb
NO2
0.26ppm
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 03:00:00 on 2026-09-28.
The best air quality in Stoughton, Massachusetts was recorded at 09:00:00 on 2026-09-28.
The real-time air quality index in Stoughton, Massachusetts is 24, 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 1.47 μg/m3.
The current PM10 levels in Stoughton, Massachusetts are 5.976 μg/m3.
The current carbon monoxide (CO) level in Stoughton, Massachusetts is 0.274 ppm.
The current sulfur dioxide (SO2) levels in Stoughton, Massachusetts are 0.813 ppb.
The current ozone (O3) levels at Stoughton, Massachusetts is 25.752 ppm.
The current nitrogen dioxide (NO2) levels at Stoughton, Massachusetts is 4.145 ppb.
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