Stay updated with real-time air quality in Terre Haute, Indiana 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)
25
Good
Terre Haute, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.08 μg/m³
0
55
155
255
425
605+
26.96 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
11.47 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Terre Haute, Indiana
Terre Haute, Indiana
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AQI 27
Good
4.29μg/m³
PM2.5
18.40μg/m³
PM10
28.84ppb
O3
0.48ppb
SO2
2.57ppb
NO2
0.15ppm
CO
AQI 25
Good
2.96μg/m³
PM2.5
12.00μg/m³
PM10
27.20ppb
O3
0.25ppb
SO2
0.85ppb
NO2
0.14ppm
CO
AQI 27
Good
2.88μg/m³
PM2.5
20.89μg/m³
PM10
29.01ppb
O3
0.96ppb
SO2
10.09ppb
NO2
0.30ppm
CO
AQI 25
Good
4.36μg/m³
PM2.5
19.06μg/m³
PM10
27.37ppb
O3
0.44ppb
SO2
1.21ppb
NO2
0.14ppm
CO
AQI 26
Good
3.88μg/m³
PM2.5
14.79μg/m³
PM10
28.12ppb
O3
0.74ppb
SO2
13.36ppb
NO2
0.34ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
24.95μg/m³
PM10
22.14ppb
O3
0.63ppb
SO2
15.05ppb
NO2
0.41ppm
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 Terre Haute, Indiana is updated every hour.
The worst air quality in Terre Haute, Indiana in the last 24 hours was observed at 06:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Terre Haute, Indiana was observed at 07:00:00 on 2026-01-23.
The current air quality in Terre Haute, Indiana is 25, categorized as Good based on real-time data.
The most common pollutant in Terre Haute, Indiana is O3.
If the air quality in Terre Haute, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Terre Haute, Indiana is 1.919 μg/m3.
The current PM10 concentration at Terre Haute, Indiana is 8.078 μg/m3.
The current carbon monoxide (CO) concentration at Terre Haute, Indiana is 0.296 ppm.
The current sulfur dioxide (SO2) concentration at Terre Haute, Indiana is 0.998 ppb.
The current ozone (O3) concentration at Terre Haute, Indiana is 26.963 ppm.
The current nitrogen dioxide (NO2) concentration at Terre Haute, Indiana is 11.474 ppb.
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