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)
25
Good
Madison, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.53 μg/m³
0
55
155
255
425
605+
25.42 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
25.94 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Madison, New Jersey
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AQI 25
Good
4.14μg/m³
PM2.5
16.53μg/m³
PM10
25.42ppb
O3
0.86ppb
SO2
25.94ppb
NO2
0.38ppm
CO
AQI 25
Good
4.31μg/m³
PM2.5
16.56μg/m³
PM10
25.38ppb
O3
0.86ppb
SO2
25.75ppb
NO2
0.38ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
17.12μg/m³
PM10
23.63ppb
O3
0.87ppb
SO2
25.96ppb
NO2
0.38ppm
CO
AQI 27
Good
4.94μg/m³
PM2.5
16.14μg/m³
PM10
23.63ppb
O3
0.88ppb
SO2
25.82ppb
NO2
0.38ppm
CO
AQI 25
Good
3.58μg/m³
PM2.5
14.63μg/m³
PM10
24.36ppb
O3
0.83ppb
SO2
25.50ppb
NO2
0.38ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
18.81μg/m³
PM10
22.16ppb
O3
0.88ppb
SO2
25.67ppb
NO2
0.37ppm
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 02:00:00 on 2025-12-09.
The best air quality in Madison, New Jersey was recorded at 09:00:00 on 2025-12-09.
The real-time air quality index in Madison, New Jersey is 25, currently categorized as Good.
The most common pollutant in Madison, New Jersey is NO2.
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 4.137 μg/m3.
The current PM10 levels in Madison, New Jersey are 16.533 μg/m3.
The current carbon monoxide (CO) level in Madison, New Jersey is 0.381 ppm.
The current sulfur dioxide (SO2) levels in Madison, New Jersey are 0.857 ppb.
The current ozone (O3) levels at Madison, New Jersey is 25.423 ppm.
The current nitrogen dioxide (NO2) levels at Madison, New Jersey is 25.938 ppb.
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