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)
40
Good
Greensburg, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.22 μg/m³
0
55
155
255
425
605+
42.51 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
6.92 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greensburg, Indiana
Greensburg, Indiana
Scroll To Air Quality MapLoading...
AQI 38
Good
5.19μg/m³
PM2.5
23.36μg/m³
PM10
41.19ppb
O3
0.75ppb
SO2
6.11ppb
NO2
0.13ppm
CO
AQI 39
Good
3.75μg/m³
PM2.5
16.16μg/m³
PM10
42.10ppb
O3
0.54ppb
SO2
6.12ppb
NO2
0.13ppm
CO
AQI 42
Good
5.03μg/m³
PM2.5
17.61μg/m³
PM10
45.06ppb
O3
1.46ppb
SO2
7.91ppb
NO2
0.12ppm
CO
AQI 38
Good
5.16μg/m³
PM2.5
23.22μg/m³
PM10
40.95ppb
O3
0.56ppb
SO2
5.60ppb
NO2
0.13ppm
CO
AQI 39
Good
3.78μg/m³
PM2.5
12.14μg/m³
PM10
41.94ppb
O3
0.48ppb
SO2
5.93ppb
NO2
0.12ppm
CO
AQI 39
Good
5.66μg/m³
PM2.5
25.82μg/m³
PM10
41.74ppb
O3
1.16ppb
SO2
5.73ppb
NO2
0.13ppm
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 05:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Greensburg, Indiana was observed at 04:00:00 on 2026-07-23.
The current air quality in Greensburg, Indiana is 40, categorized as Good based on real-time data.
The most common pollutant in Greensburg, Indiana is O3.
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 4.762 μg/m3.
The current PM10 concentration at Greensburg, Indiana is 16.217 μg/m3.
The current carbon monoxide (CO) concentration at Greensburg, Indiana is 0.122 ppm.
The current sulfur dioxide (SO2) concentration at Greensburg, Indiana is 0.923 ppb.
The current ozone (O3) concentration at Greensburg, Indiana is 42.506 ppm.
The current nitrogen dioxide (NO2) concentration at Greensburg, Indiana is 6.916 ppb.
All Rights Reserved © Ambee Inc. 2025