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)
27
Good
Indiana, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.24 μg/m³
0
55
155
255
425
605+
28.59 ppb
0
55
71
86
201
201+
0.85 ppb
0
36
76
186
605
1005+
4.25 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Indiana, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 33
Good
5.90μg/m³
PM2.5
25.38μg/m³
PM10
22.83ppb
O3
1.56ppb
SO2
11.09ppb
NO2
0.23ppm
CO
AQI 22
Good
4.31μg/m³
PM2.5
18.83μg/m³
PM10
21.17ppb
O3
0.65ppb
SO2
5.36ppb
NO2
0.17ppm
CO
AQI 44
Good
7.80μg/m³
PM2.5
27.66μg/m³
PM10
17.98ppb
O3
0.70ppb
SO2
12.30ppb
NO2
0.25ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
21.47μg/m³
PM10
26.34ppb
O3
1.85ppb
SO2
6.96ppb
NO2
0.20ppm
CO
AQI 25
Good
3.83μg/m³
PM2.5
14.79μg/m³
PM10
27.16ppb
O3
0.46ppb
SO2
6.32ppb
NO2
0.18ppm
CO
AQI 33
Good
5.98μg/m³
PM2.5
28.05μg/m³
PM10
17.39ppb
O3
1.47ppb
SO2
7.81ppb
NO2
0.36ppm
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 03:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Indiana, USA was observed at 12:00:00 on 2026-03-09.
The current air quality in Indiana, USA is 33, 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 5.853 μg/m3.
The current PM10 concentration at Indiana, USA is 23.339 μg/m3.
The current carbon monoxide (CO) concentration at Indiana, USA is 0.188 ppm.
The current sulfur dioxide (SO2) concentration at Indiana, USA is 0.776 ppb.
The current ozone (O3) concentration at Indiana, USA is 23.071 ppm.
The current nitrogen dioxide (NO2) concentration at Indiana, USA is 5.448 ppb.
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