Stay updated with real-time air quality in Somerset, 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)
44
Good
Somerset, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.77 μg/m³
0
55
155
255
425
605+
16.35 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
10.49 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Somerset, Massachusetts
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AQI 38
Good
4.56μg/m³
PM2.5
20.08μg/m³
PM10
41.22ppb
O3
0.26ppb
SO2
16.38ppb
NO2
0.49ppm
CO
AQI 40
Good
4.14μg/m³
PM2.5
18.16μg/m³
PM10
42.86ppb
O3
0.30ppb
SO2
17.63ppb
NO2
0.49ppm
CO
AQI 40
Good
4.19μg/m³
PM2.5
18.37μg/m³
PM10
42.67ppb
O3
0.29ppb
SO2
17.38ppb
NO2
0.49ppm
CO
AQI 33
Good
5.20μg/m³
PM2.5
26.23μg/m³
PM10
36.39ppb
O3
0.29ppb
SO2
14.04ppb
NO2
0.47ppm
CO
AQI 40
Good
5.54μg/m³
PM2.5
26.99μg/m³
PM10
42.84ppb
O3
0.27ppb
SO2
16.38ppb
NO2
0.48ppm
CO
AQI 34
Good
5.24μg/m³
PM2.5
20.31μg/m³
PM10
37.11ppb
O3
0.35ppb
SO2
16.23ppb
NO2
0.50ppm
CO
The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Somerset, Massachusetts are available every hour.
Somerset, Massachusetts experienced its worst air quality at 10:00:00, 2025-09-11.
The best air quality in Somerset, Massachusetts was observed at 03:00:00 on 2025-09-11.
The air quality in Somerset, Massachusetts right now is Good, with an AQI of 38.
In Somerset, Massachusetts, O3 is the most frequently found pollutant.
When air quality in Somerset, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Somerset, Massachusetts currently has a PM2.5 concentration of 4.361 μg/m3.
Somerset, Massachusetts currently has a PM10 concentration of 19.133 μg/m3.
The current carbon monoxide (CO) level in Somerset, Massachusetts is 0.48 ppm.
The current sulfur dioxide (SO2) concentration in Somerset, Massachusetts is 0.274 ppb.
Somerset, Massachusetts currently has an ozone (O3) concentration of 41.446 ppm.
The current level of nitrogen dioxide (NO2) in Somerset, Massachusetts is 16.013 ppb.
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