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)
30
Good
Somerville, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.60 μg/m³
0
55
155
255
425
605+
32.08 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
2.85 ppb
0
54
101
361
1250
2050+
0.15 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 30
Good
4.39μg/m³
PM2.5
13.06μg/m³
PM10
31.99ppb
O3
0.55ppb
SO2
3.53ppb
NO2
0.15ppm
CO
AQI 30
Good
5.00μg/m³
PM2.5
12.60μg/m³
PM10
32.08ppb
O3
0.54ppb
SO2
2.85ppb
NO2
0.15ppm
CO
AQI 29
Good
3.94μg/m³
PM2.5
8.19μg/m³
PM10
31.25ppb
O3
0.59ppb
SO2
3.68ppb
NO2
0.14ppm
CO
AQI 30
Good
4.62μg/m³
PM2.5
13.08μg/m³
PM10
32.48ppb
O3
0.54ppb
SO2
3.52ppb
NO2
0.15ppm
CO
AQI 31
Good
5.23μg/m³
PM2.5
23.06μg/m³
PM10
33.75ppb
O3
0.47ppb
SO2
3.16ppb
NO2
0.19ppm
CO
AQI 29
Good
3.94μg/m³
PM2.5
8.19μg/m³
PM10
31.25ppb
O3
0.59ppb
SO2
3.68ppb
NO2
0.14ppm
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 04:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Somerville, New Jersey was observed at 12:00:00 on 2026-01-23.
The current air quality in Somerville, New Jersey is 30, 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 5 μg/m3.
The current PM10 concentration at Somerville, New Jersey is 12.598 μg/m3.
The current carbon monoxide (CO) concentration at Somerville, New Jersey is 0.151 ppm.
The current sulfur dioxide (SO2) concentration at Somerville, New Jersey is 0.536 ppb.
The current ozone (O3) concentration at Somerville, New Jersey is 32.079 ppm.
The current nitrogen dioxide (NO2) concentration at Somerville, New Jersey is 2.852 ppb.
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