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

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.38 μg/m³
0
55
155
255
425
605+
21.73 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
16.90 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Indiana, USA
Indiana, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 33
Good
6.02μg/m³
PM2.5
25.87μg/m³
PM10
32.38ppb
O3
1.07ppb
SO2
9.00ppb
NO2
0.13ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
26.07μg/m³
PM10
21.16ppb
O3
1.04ppb
SO2
14.87ppb
NO2
0.20ppm
CO
AQI 44
Good
7.56μg/m³
PM2.5
32.32μg/m³
PM10
33.39ppb
O3
1.21ppb
SO2
10.57ppb
NO2
0.20ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
21.87μg/m³
PM10
28.02ppb
O3
0.56ppb
SO2
5.46ppb
NO2
0.18ppm
CO
AQI 26
Good
3.77μg/m³
PM2.5
18.33μg/m³
PM10
27.92ppb
O3
0.57ppb
SO2
9.83ppb
NO2
0.17ppm
CO
AQI 33
Good
5.78μg/m³
PM2.5
24.54μg/m³
PM10
18.29ppb
O3
0.79ppb
SO2
4.79ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for Indiana, 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 Indiana, USA is updated every hour.
The worst air quality in Indiana, USA in the last 24 hours was observed at 04:00:00 on 2026-10-08.
In the last 24 hrs, the best air quality in Indiana, USA was observed at 03:00:00 on 2026-10-08.
The current air quality in Indiana, USA is 49, categorized as Good based on real-time data.
The most common pollutant in Indiana, USA is PM2.5.
If the air quality in Indiana, USA is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Indiana, USA is 8.506 μg/m3.
The current PM10 concentration at Indiana, USA is 34.431 μg/m3.
The current carbon monoxide (CO) concentration at Indiana, USA is 0.193 ppm.
The current sulfur dioxide (SO2) concentration at Indiana, USA is 1.133 ppb.
The current ozone (O3) concentration at Indiana, USA is 23.492 ppm.
The current nitrogen dioxide (NO2) concentration at Indiana, USA is 15.467 ppb.
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