Stay updated with real-time air quality in Madison, 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)
38
Good
Madison, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.24 μg/m³
0
55
155
255
425
605+
41.09 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
11.16 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Madison, New Jersey
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AQI 37
Good
4.98μg/m³
PM2.5
20.66μg/m³
PM10
40.45ppb
O3
0.81ppb
SO2
11.53ppb
NO2
0.27ppm
CO
AQI 35
Good
4.35μg/m³
PM2.5
21.34μg/m³
PM10
38.41ppb
O3
0.81ppb
SO2
14.51ppb
NO2
0.27ppm
CO
AQI 36
Good
5.04μg/m³
PM2.5
21.07μg/m³
PM10
39.36ppb
O3
0.79ppb
SO2
12.34ppb
NO2
0.27ppm
CO
AQI 36
Good
4.99μg/m³
PM2.5
20.79μg/m³
PM10
39.34ppb
O3
0.79ppb
SO2
15.31ppb
NO2
0.27ppm
CO
AQI 37
Good
3.52μg/m³
PM2.5
16.63μg/m³
PM10
40.07ppb
O3
0.84ppb
SO2
14.15ppb
NO2
0.26ppm
CO
AQI 39
Good
4.37μg/m³
PM2.5
21.33μg/m³
PM10
42.46ppb
O3
0.79ppb
SO2
15.98ppb
NO2
0.27ppm
CO
Air quality measurements for New Jersey, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Madison, New Jersey is updated on an hourly basis.
The worst air quality in Madison, New Jersey was recorded at 06:00:00 on 2026-10-07.
The best air quality in Madison, New Jersey was recorded at 01:00:00 on 2026-10-07.
The real-time air quality index in Madison, New Jersey is 37, currently categorized as Good.
The most common pollutant in Madison, New Jersey is O3.
If the air quality in Madison, New Jersey is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Madison, New Jersey at present are 4.984 μg/m3.
The current PM10 levels in Madison, New Jersey are 20.664 μg/m3.
The current carbon monoxide (CO) level in Madison, New Jersey is 0.266 ppm.
The current sulfur dioxide (SO2) levels in Madison, New Jersey are 0.812 ppb.
The current ozone (O3) levels at Madison, New Jersey is 40.452 ppm.
The current nitrogen dioxide (NO2) levels at Madison, New Jersey is 11.53 ppb.
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