Stay updated with real-time air quality in Jefferson, 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)
25
Good
Jefferson, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.90 μg/m³
0
55
155
255
425
605+
27.18 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
10.53 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jefferson, New Jersey
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AQI 29
Good
2.81μg/m³
PM2.5
13.43μg/m³
PM10
31.41ppb
O3
0.54ppb
SO2
10.34ppb
NO2
0.34ppm
CO
AQI 28
Good
2.97μg/m³
PM2.5
15.72μg/m³
PM10
30.46ppb
O3
0.55ppb
SO2
12.37ppb
NO2
0.34ppm
CO
AQI 29
Good
3.04μg/m³
PM2.5
15.79μg/m³
PM10
31.09ppb
O3
0.53ppb
SO2
9.40ppb
NO2
0.33ppm
CO
AQI 29
Good
3.40μg/m³
PM2.5
16.95μg/m³
PM10
30.77ppb
O3
0.53ppb
SO2
10.61ppb
NO2
0.31ppm
CO
AQI 26
Good
2.53μg/m³
PM2.5
14.16μg/m³
PM10
27.98ppb
O3
0.55ppb
SO2
10.23ppb
NO2
0.34ppm
CO
AQI 29
Good
3.73μg/m³
PM2.5
22.15μg/m³
PM10
30.92ppb
O3
0.56ppb
SO2
5.20ppb
NO2
0.34ppm
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 Jefferson, New Jersey is updated every hour.
The worst air quality in Jefferson, New Jersey in the last 24 hours was observed at 04:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in Jefferson, New Jersey was observed at 11:00:00 on 2026-11-12.
The current air quality in Jefferson, New Jersey is 25, categorized as Good based on real-time data.
The most common pollutant in Jefferson, New Jersey is O3.
If the air quality in Jefferson, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Jefferson, New Jersey is 2.914 μg/m3.
The current PM10 concentration at Jefferson, New Jersey is 15.904 μg/m3.
The current carbon monoxide (CO) concentration at Jefferson, New Jersey is 0.339 ppm.
The current sulfur dioxide (SO2) concentration at Jefferson, New Jersey is 0.664 ppb.
The current ozone (O3) concentration at Jefferson, New Jersey is 27.185 ppm.
The current nitrogen dioxide (NO2) concentration at Jefferson, New Jersey is 10.527 ppb.
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