Stay updated with real-time air quality in Madison, Indiana 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
Madison, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.26 μg/m³
0
55
155
255
425
605+
23.06 ppb
0
55
71
86
201
201+
1.04 ppb
0
36
76
186
605
1005+
21.03 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Madison, Indiana
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AQI 38
Good
7.18μg/m³
PM2.5
31.37μg/m³
PM10
20.84ppb
O3
0.89ppb
SO2
28.17ppb
NO2
0.37ppm
CO
AQI 33
Good
5.58μg/m³
PM2.5
22.88μg/m³
PM10
24.33ppb
O3
0.53ppb
SO2
31.48ppb
NO2
0.40ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
20.21μg/m³
PM10
23.78ppb
O3
1.03ppb
SO2
16.61ppb
NO2
0.34ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
16.99μg/m³
PM10
11.26ppb
O3
0.66ppb
SO2
34.64ppb
NO2
0.44ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
27.67μg/m³
PM10
14.66ppb
O3
0.58ppb
SO2
32.58ppb
NO2
0.40ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
19.03μg/m³
PM10
10.54ppb
O3
0.64ppb
SO2
35.38ppb
NO2
0.48ppm
CO
The air quality data for Indiana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Madison, Indiana are available every hour.
Madison, Indiana experienced its worst air quality at 08:00:00, 2026-01-22.
The best air quality in Madison, Indiana was observed at 04:00:00 on 2026-01-22.
The air quality in Madison, Indiana right now is Good, with an AQI of 33.
In Madison, Indiana, PM2.5 is the most frequently found pollutant.
When air quality in Madison, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Madison, Indiana currently has a PM2.5 concentration of 6.431 μg/m3.
Madison, Indiana currently has a PM10 concentration of 29.262 μg/m3.
The current carbon monoxide (CO) level in Madison, Indiana is 0.347 ppm.
The current sulfur dioxide (SO2) concentration in Madison, Indiana is 1.041 ppb.
Madison, Indiana currently has an ozone (O3) concentration of 23.057 ppm.
The current level of nitrogen dioxide (NO2) in Madison, Indiana is 21.032 ppb.
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