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)
33
Good
Jefferson, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.77 μg/m³
0
55
155
255
425
605+
33.00 ppb
0
55
71
86
201
201+
1.20 ppb
0
36
76
186
605
1005+
13.14 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jefferson, New Jersey
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AQI 33
Good
5.61μg/m³
PM2.5
32.54μg/m³
PM10
33.77ppb
O3
1.23ppb
SO2
12.06ppb
NO2
0.22ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
36.91μg/m³
PM10
35.79ppb
O3
1.14ppb
SO2
15.96ppb
NO2
0.28ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
28.09μg/m³
PM10
31.03ppb
O3
1.37ppb
SO2
8.90ppb
NO2
0.21ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
27.50μg/m³
PM10
31.22ppb
O3
1.35ppb
SO2
8.41ppb
NO2
0.20ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
34.43μg/m³
PM10
33.01ppb
O3
1.24ppb
SO2
13.35ppb
NO2
0.22ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
28.63μg/m³
PM10
36.12ppb
O3
1.20ppb
SO2
13.99ppb
NO2
0.22ppm
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 12:00:00 on 2026-06-18.
In the last 24 hrs, the best air quality in Jefferson, New Jersey was observed at 12:00:00 on 2026-06-17.
The current air quality in Jefferson, New Jersey is 33, categorized as Good based on real-time data.
The most common pollutant in Jefferson, New Jersey is PM2.5.
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 5.511 μg/m3.
The current PM10 concentration at Jefferson, New Jersey is 22.771 μg/m3.
The current carbon monoxide (CO) concentration at Jefferson, New Jersey is 0.217 ppm.
The current sulfur dioxide (SO2) concentration at Jefferson, New Jersey is 1.195 ppb.
The current ozone (O3) concentration at Jefferson, New Jersey is 32.999 ppm.
The current nitrogen dioxide (NO2) concentration at Jefferson, New Jersey is 13.144 ppb.
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