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
4.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.56 μg/m³
0
55
155
255
425
605+
22.25 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
3.95 ppb
0
54
101
361
1250
2050+
0.16 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 54
Moderate
10.88μg/m³
PM2.5
33.25μg/m³
PM10
23.49ppb
O3
1.27ppb
SO2
5.17ppb
NO2
0.19ppm
CO
AQI 22
Good
3.71μg/m³
PM2.5
16.20μg/m³
PM10
21.10ppb
O3
0.70ppb
SO2
3.42ppb
NO2
0.13ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
25.59μg/m³
PM10
24.79ppb
O3
0.75ppb
SO2
5.03ppb
NO2
0.17ppm
CO
AQI 44
Good
8.19μg/m³
PM2.5
32.17μg/m³
PM10
20.08ppb
O3
0.86ppb
SO2
5.64ppb
NO2
0.16ppm
CO
AQI 22
Good
3.72μg/m³
PM2.5
13.90μg/m³
PM10
21.39ppb
O3
0.87ppb
SO2
3.95ppb
NO2
0.15ppm
CO
AQI 38
Good
7.34μg/m³
PM2.5
31.11μg/m³
PM10
23.96ppb
O3
1.18ppb
SO2
6.33ppb
NO2
0.26ppm
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 08:00:00 on 2026-01-17.
In the last 24 hrs, the best air quality in Indiana, USA was observed at 05:00:00 on 2026-01-16.
The current air quality in Indiana, USA is 27, 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 4.678 μg/m3.
The current PM10 concentration at Indiana, USA is 19.563 μg/m3.
The current carbon monoxide (CO) concentration at Indiana, USA is 0.163 ppm.
The current sulfur dioxide (SO2) concentration at Indiana, USA is 0.769 ppb.
The current ozone (O3) concentration at Indiana, USA is 22.248 ppm.
The current nitrogen dioxide (NO2) concentration at Indiana, USA is 3.95 ppb.
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