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)
21
Good
Somerville, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.44 μg/m³
0
55
155
255
425
605+
23.16 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
4.41 ppb
0
54
101
361
1250
2050+
0.29 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 22
Good
3.58μg/m³
PM2.5
15.91μg/m³
PM10
20.05ppb
O3
0.30ppb
SO2
4.37ppb
NO2
0.29ppm
CO
AQI 21
Good
3.24μg/m³
PM2.5
13.44μg/m³
PM10
23.16ppb
O3
0.30ppb
SO2
4.41ppb
NO2
0.29ppm
CO
AQI 19
Good
3.49μg/m³
PM2.5
14.02μg/m³
PM10
20.32ppb
O3
0.29ppb
SO2
4.21ppb
NO2
0.28ppm
CO
AQI 22
Good
3.58μg/m³
PM2.5
13.93μg/m³
PM10
23.31ppb
O3
0.30ppb
SO2
4.45ppb
NO2
0.29ppm
CO
AQI 22
Good
4.05μg/m³
PM2.5
17.28μg/m³
PM10
18.73ppb
O3
0.30ppb
SO2
4.98ppb
NO2
0.34ppm
CO
AQI 19
Good
3.49μg/m³
PM2.5
14.02μg/m³
PM10
20.32ppb
O3
0.29ppb
SO2
4.21ppb
NO2
0.28ppm
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 05:00:00 on 2026-09-20.
In the last 24 hrs, the best air quality in Somerville, New Jersey was observed at 03:00:00 on 2026-09-20.
The current air quality in Somerville, New Jersey is 21, categorized as Good based on real-time data.
The most common pollutant in Somerville, New Jersey is O3.
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 3.239 μg/m3.
The current PM10 concentration at Somerville, New Jersey is 13.444 μg/m3.
The current carbon monoxide (CO) concentration at Somerville, New Jersey is 0.288 ppm.
The current sulfur dioxide (SO2) concentration at Somerville, New Jersey is 0.297 ppb.
The current ozone (O3) concentration at Somerville, New Jersey is 23.161 ppm.
The current nitrogen dioxide (NO2) concentration at Somerville, New Jersey is 4.413 ppb.
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