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)
29
Good
Somerset, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.83 μg/m³
0
55
155
255
425
605+
30.97 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
5.82 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Somerset, Massachusetts
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AQI 28
Good
4.51μg/m³
PM2.5
20.51μg/m³
PM10
30.25ppb
O3
0.34ppb
SO2
5.52ppb
NO2
0.23ppm
CO
AQI 30
Good
4.25μg/m³
PM2.5
19.26μg/m³
PM10
31.83ppb
O3
0.30ppb
SO2
5.98ppb
NO2
0.24ppm
CO
AQI 30
Good
4.34μg/m³
PM2.5
19.75μg/m³
PM10
31.60ppb
O3
0.31ppb
SO2
5.94ppb
NO2
0.24ppm
CO
AQI 56
Moderate
11.69μg/m³
PM2.5
49.59μg/m³
PM10
26.78ppb
O3
0.54ppb
SO2
4.01ppb
NO2
0.24ppm
CO
AQI 30
Good
4.58μg/m³
PM2.5
28.77μg/m³
PM10
32.01ppb
O3
0.38ppb
SO2
5.27ppb
NO2
0.23ppm
CO
AQI 56
Moderate
12.04μg/m³
PM2.5
35.29μg/m³
PM10
30.65ppb
O3
0.57ppb
SO2
4.26ppb
NO2
0.25ppm
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 09:00:00, 2025-06-06.
The best air quality in Somerset, Massachusetts was observed at 09:00:00 on 2025-06-07.
The air quality in Somerset, Massachusetts right now is Good, with an AQI of 29.
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 4.634 μg/m3.
Somerset, Massachusetts currently has a PM10 concentration of 20.827 μg/m3.
The current carbon monoxide (CO) level in Somerset, Massachusetts is 0.203 ppm.
The current sulfur dioxide (SO2) concentration in Somerset, Massachusetts is 0.335 ppb.
Somerset, Massachusetts currently has an ozone (O3) concentration of 30.973 ppm.
The current level of nitrogen dioxide (NO2) in Somerset, Massachusetts is 5.815 ppb.
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