Stay updated with real-time air quality in Greensburg, 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)
27
Good
Greensburg, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.51 μg/m³
0
55
155
255
425
605+
27.45 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
18.55 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greensburg, Indiana
Greensburg, Indiana
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AQI 23
Good
3.20μg/m³
PM2.5
13.90μg/m³
PM10
24.80ppb
O3
0.93ppb
SO2
13.96ppb
NO2
0.35ppm
CO
AQI 27
Good
4.68μg/m³
PM2.5
20.81μg/m³
PM10
26.35ppb
O3
0.71ppb
SO2
15.38ppb
NO2
0.38ppm
CO
AQI 28
Good
3.08μg/m³
PM2.5
9.59μg/m³
PM10
29.65ppb
O3
1.35ppb
SO2
15.16ppb
NO2
0.28ppm
CO
AQI 24
Good
3.54μg/m³
PM2.5
14.50μg/m³
PM10
26.44ppb
O3
0.52ppb
SO2
13.68ppb
NO2
0.37ppm
CO
AQI 29
Good
4.20μg/m³
PM2.5
17.55μg/m³
PM10
30.68ppb
O3
0.72ppb
SO2
16.04ppb
NO2
0.41ppm
CO
AQI 25
Good
3.08μg/m³
PM2.5
19.92μg/m³
PM10
27.05ppb
O3
0.78ppb
SO2
13.55ppb
NO2
0.34ppm
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 Greensburg, Indiana is updated every hour.
The worst air quality in Greensburg, Indiana in the last 24 hours was observed at 10:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Greensburg, Indiana was observed at 06:00:00 on 2026-01-23.
The current air quality in Greensburg, Indiana is 27, categorized as Good based on real-time data.
The most common pollutant in Greensburg, Indiana is PM2.5.
If the air quality in Greensburg, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Greensburg, Indiana is 4.777 μg/m3.
The current PM10 concentration at Greensburg, Indiana is 20.506 μg/m3.
The current carbon monoxide (CO) concentration at Greensburg, Indiana is 0.351 ppm.
The current sulfur dioxide (SO2) concentration at Greensburg, Indiana is 1.192 ppb.
The current ozone (O3) concentration at Greensburg, Indiana is 27.446 ppm.
The current nitrogen dioxide (NO2) concentration at Greensburg, Indiana is 18.555 ppb.
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