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)
44
Good
Madison, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.92 μg/m³
0
55
155
255
425
605+
44.92 ppb
0
55
71
86
201
201+
1.36 ppb
0
36
76
186
605
1005+
3.90 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Madison, Indiana
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AQI 44
Good
7.83μg/m³
PM2.5
17.42μg/m³
PM10
37.85ppb
O3
1.13ppb
SO2
3.45ppb
NO2
0.16ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
23.32μg/m³
PM10
34.83ppb
O3
1.08ppb
SO2
3.09ppb
NO2
0.14ppm
CO
AQI 33
Good
4.97μg/m³
PM2.5
31.87μg/m³
PM10
35.66ppb
O3
0.91ppb
SO2
3.62ppb
NO2
0.19ppm
CO
AQI 44
Good
7.61μg/m³
PM2.5
17.85μg/m³
PM10
35.49ppb
O3
0.76ppb
SO2
2.85ppb
NO2
0.12ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
33.07μg/m³
PM10
34.29ppb
O3
0.97ppb
SO2
2.89ppb
NO2
0.12ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
17.84μg/m³
PM10
34.22ppb
O3
0.56ppb
SO2
2.65ppb
NO2
0.10ppm
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 12:00:00, 2026-06-11.
The best air quality in Madison, Indiana was observed at 02:00:00 on 2026-06-11.
The air quality in Madison, Indiana right now is Good, with an AQI of 44.
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 7.881 μg/m3.
Madison, Indiana currently has a PM10 concentration of 22.924 μg/m3.
The current carbon monoxide (CO) level in Madison, Indiana is 0.188 ppm.
The current sulfur dioxide (SO2) concentration in Madison, Indiana is 1.364 ppb.
Madison, Indiana currently has an ozone (O3) concentration of 44.923 ppm.
The current level of nitrogen dioxide (NO2) in Madison, Indiana is 3.905 ppb.
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