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)
52
Moderate
Indiana, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.47 μg/m³
0
55
155
255
425
605+
24.78 ppb
0
55
71
86
201
201+
1.27 ppb
0
36
76
186
605
1005+
4.85 ppb
0
54
101
361
1250
2050+
0.20 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 58
Moderate
12.81μg/m³
PM2.5
41.80μg/m³
PM10
24.21ppb
O3
1.54ppb
SO2
8.18ppb
NO2
0.28ppm
CO
AQI 54
Moderate
11.44μg/m³
PM2.5
46.00μg/m³
PM10
26.48ppb
O3
0.39ppb
SO2
5.12ppb
NO2
0.21ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
30.82μg/m³
PM10
18.71ppb
O3
2.02ppb
SO2
9.63ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.55μg/m³
PM2.5
35.41μg/m³
PM10
27.55ppb
O3
0.36ppb
SO2
4.94ppb
NO2
0.25ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
32.15μg/m³
PM10
22.68ppb
O3
0.43ppb
SO2
6.43ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
46.91μg/m³
PM10
13.50ppb
O3
0.65ppb
SO2
5.52ppb
NO2
0.29ppm
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 11:00:00 on 2026-08-09.
In the last 24 hrs, the best air quality in Indiana, USA was observed at 02:00:00 on 2026-08-10.
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 8.898 μg/m3.
The current PM10 concentration at Indiana, USA is 35.737 μg/m3.
The current carbon monoxide (CO) concentration at Indiana, USA is 0.203 ppm.
The current sulfur dioxide (SO2) concentration at Indiana, USA is 1.27 ppb.
The current ozone (O3) concentration at Indiana, USA is 24.494 ppm.
The current nitrogen dioxide (NO2) concentration at Indiana, USA is 4.537 ppb.
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