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)
39
Good
Indiana, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.38 μg/m³
0
55
155
255
425
605+
41.56 ppb
0
55
71
86
201
201+
1.45 ppb
0
36
76
186
605
1005+
5.64 ppb
0
54
101
361
1250
2050+
0.14 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 42
Good
4.88μg/m³
PM2.5
20.08μg/m³
PM10
44.85ppb
O3
1.78ppb
SO2
7.01ppb
NO2
0.14ppm
CO
AQI 39
Good
6.37μg/m³
PM2.5
27.52μg/m³
PM10
42.03ppb
O3
1.41ppb
SO2
4.43ppb
NO2
0.15ppm
CO
AQI 41
Good
4.04μg/m³
PM2.5
16.99μg/m³
PM10
43.93ppb
O3
0.89ppb
SO2
6.40ppb
NO2
0.14ppm
CO
AQI 40
Good
5.08μg/m³
PM2.5
20.42μg/m³
PM10
42.75ppb
O3
0.66ppb
SO2
4.52ppb
NO2
0.16ppm
CO
AQI 37
Good
4.83μg/m³
PM2.5
20.18μg/m³
PM10
39.98ppb
O3
0.69ppb
SO2
4.16ppb
NO2
0.14ppm
CO
AQI 39
Good
4.02μg/m³
PM2.5
17.63μg/m³
PM10
41.92ppb
O3
0.84ppb
SO2
3.70ppb
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 01:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Indiana, USA was observed at 03:00:00 on 2026-07-23.
The current air quality in Indiana, USA is 39, categorized as Good based on real-time data.
The most common pollutant in Indiana, USA is O3.
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 5.503 μg/m3.
The current PM10 concentration at Indiana, USA is 23.375 μg/m3.
The current carbon monoxide (CO) concentration at Indiana, USA is 0.137 ppm.
The current sulfur dioxide (SO2) concentration at Indiana, USA is 1.452 ppb.
The current ozone (O3) concentration at Indiana, USA is 41.561 ppm.
The current nitrogen dioxide (NO2) concentration at Indiana, USA is 5.644 ppb.
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