Stay updated with real-time air quality in Somerville, New Jersey 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
Somerville, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.19 μg/m³
0
55
155
255
425
605+
27.17 ppb
0
55
71
86
201
201+
1.17 ppb
0
36
76
186
605
1005+
13.56 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Somerville, New Jersey
Somerville, New Jersey
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AQI 49
Good
8.90μg/m³
PM2.5
47.10μg/m³
PM10
31.20ppb
O3
1.20ppb
SO2
8.01ppb
NO2
0.24ppm
CO
AQI 49
Good
8.55μg/m³
PM2.5
37.70μg/m³
PM10
32.17ppb
O3
1.19ppb
SO2
8.50ppb
NO2
0.23ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
43.38μg/m³
PM10
33.82ppb
O3
1.24ppb
SO2
9.87ppb
NO2
0.24ppm
CO
AQI 49
Good
8.91μg/m³
PM2.5
47.09μg/m³
PM10
30.49ppb
O3
1.20ppb
SO2
8.48ppb
NO2
0.23ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
34.33μg/m³
PM10
33.02ppb
O3
1.13ppb
SO2
7.01ppb
NO2
0.30ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
43.38μg/m³
PM10
33.82ppb
O3
1.24ppb
SO2
9.87ppb
NO2
0.24ppm
CO
Air quality data and pollutant measurements for New Jersey, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Somerville, New Jersey is updated every hour.
The worst air quality in Somerville, New Jersey in the last 24 hours was observed at 10:00:00 on 2026-06-17.
In the last 24 hrs, the best air quality in Somerville, New Jersey was observed at 07:00:00 on 2026-06-18.
The current air quality in Somerville, New Jersey is 44, categorized as Good based on real-time data.
The most common pollutant in Somerville, New Jersey is PM2.5.
If the air quality in Somerville, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Somerville, New Jersey is 7.507 μg/m3.
The current PM10 concentration at Somerville, New Jersey is 37.188 μg/m3.
The current carbon monoxide (CO) concentration at Somerville, New Jersey is 0.333 ppm.
The current sulfur dioxide (SO2) concentration at Somerville, New Jersey is 1.168 ppb.
The current ozone (O3) concentration at Somerville, New Jersey is 27.172 ppm.
The current nitrogen dioxide (NO2) concentration at Somerville, New Jersey is 13.557 ppb.
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