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)
35
Good
Jefferson, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.33 μg/m³
0
55
155
255
425
605+
38.24 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
15.66 ppb
0
54
101
361
1250
2050+
0.58 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jefferson, New Jersey
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AQI 33
Good
5.71μg/m³
PM2.5
32.75μg/m³
PM10
33.11ppb
O3
0.97ppb
SO2
16.61ppb
NO2
0.58ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
30.70μg/m³
PM10
13.67ppb
O3
0.97ppb
SO2
17.54ppb
NO2
0.58ppm
CO
AQI 33
Good
6.07μg/m³
PM2.5
22.99μg/m³
PM10
33.46ppb
O3
0.96ppb
SO2
21.58ppb
NO2
0.57ppm
CO
AQI 44
Good
8.04μg/m³
PM2.5
41.09μg/m³
PM10
34.65ppb
O3
0.89ppb
SO2
14.35ppb
NO2
0.54ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
30.26μg/m³
PM10
14.34ppb
O3
0.98ppb
SO2
24.85ppb
NO2
0.59ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
25.77μg/m³
PM10
30.05ppb
O3
1.15ppb
SO2
14.68ppb
NO2
0.61ppm
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 09:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Jefferson, New Jersey was observed at 06:00:00 on 2026-03-09.
The current air quality in Jefferson, New Jersey is 35, 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 5.716 μg/m3.
The current PM10 concentration at Jefferson, New Jersey is 30.332 μg/m3.
The current carbon monoxide (CO) concentration at Jefferson, New Jersey is 0.581 ppm.
The current sulfur dioxide (SO2) concentration at Jefferson, New Jersey is 0.971 ppb.
The current ozone (O3) concentration at Jefferson, New Jersey is 38.242 ppm.
The current nitrogen dioxide (NO2) concentration at Jefferson, New Jersey is 15.659 ppb.
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