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)
44
Good
Terre Haute, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.73 μg/m³
0
55
155
255
425
605+
47.02 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
6.82 ppb
0
54
101
361
1250
2050+
0.25 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 39
Good
4.96μg/m³
PM2.5
18.92μg/m³
PM10
42.20ppb
O3
1.44ppb
SO2
4.01ppb
NO2
0.21ppm
CO
AQI 37
Good
0.41μg/m³
PM2.5
1.94μg/m³
PM10
40.23ppb
O3
0.16ppb
SO2
0.51ppb
NO2
0.12ppm
CO
AQI 39
Good
5.80μg/m³
PM2.5
24.36μg/m³
PM10
41.79ppb
O3
1.52ppb
SO2
7.65ppb
NO2
0.16ppm
CO
AQI 38
Good
5.02μg/m³
PM2.5
23.60μg/m³
PM10
40.78ppb
O3
1.39ppb
SO2
3.71ppb
NO2
0.22ppm
CO
AQI 40
Good
4.86μg/m³
PM2.5
20.65μg/m³
PM10
42.79ppb
O3
0.48ppb
SO2
7.67ppb
NO2
0.17ppm
CO
AQI 37
Good
4.40μg/m³
PM2.5
18.97μg/m³
PM10
40.42ppb
O3
0.47ppb
SO2
7.38ppb
NO2
0.17ppm
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 2026-07-23.
In the last 24 hrs, the best air quality in Terre Haute, Indiana was observed at 02:00:00 on 2026-07-23.
The current air quality in Terre Haute, Indiana is 44, 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 6.162 μg/m3.
The current PM10 concentration at Terre Haute, Indiana is 27.734 μg/m3.
The current carbon monoxide (CO) concentration at Terre Haute, Indiana is 0.247 ppm.
The current sulfur dioxide (SO2) concentration at Terre Haute, Indiana is 1.11 ppb.
The current ozone (O3) concentration at Terre Haute, Indiana is 47.02 ppm.
The current nitrogen dioxide (NO2) concentration at Terre Haute, Indiana is 6.823 ppb.
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