Stay updated with real-time air quality in Greenwood, 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)
39
Good
Greenwood, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.61 μg/m³
0
55
155
255
425
605+
42.16 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
5.32 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greenwood, Indiana
Greenwood, Indiana
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AQI 38
Good
5.18μg/m³
PM2.5
23.05μg/m³
PM10
41.42ppb
O3
0.55ppb
SO2
5.54ppb
NO2
0.13ppm
CO
AQI 37
Good
5.18μg/m³
PM2.5
19.43μg/m³
PM10
40.15ppb
O3
0.66ppb
SO2
4.43ppb
NO2
0.13ppm
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 37
Good
5.32μg/m³
PM2.5
20.76μg/m³
PM10
39.86ppb
O3
0.61ppb
SO2
4.47ppb
NO2
0.13ppm
CO
AQI 42
Good
5.14μg/m³
PM2.5
21.29μg/m³
PM10
45.07ppb
O3
0.57ppb
SO2
4.81ppb
NO2
0.13ppm
CO
AQI 39
Good
4.93μg/m³
PM2.5
16.64μg/m³
PM10
42.28ppb
O3
0.77ppb
SO2
4.63ppb
NO2
0.13ppm
CO
Air quality measurements for Indiana, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Greenwood, Indiana is updated on an hourly basis.
The worst air quality in Greenwood, Indiana was recorded at 05:00:00 on 2026-07-23.
The best air quality in Greenwood, Indiana was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in Greenwood, Indiana is 39, currently categorized as Good.
The most common pollutant in Greenwood, Indiana is O3.
If the air quality in Greenwood, Indiana is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Greenwood, Indiana at present are 5.285 μg/m3.
The current PM10 levels in Greenwood, Indiana are 23.612 μg/m3.
The current carbon monoxide (CO) level in Greenwood, Indiana is 0.132 ppm.
The current sulfur dioxide (SO2) levels in Greenwood, Indiana are 0.565 ppb.
The current ozone (O3) levels at Greenwood, Indiana is 42.16 ppm.
The current nitrogen dioxide (NO2) levels at Greenwood, Indiana is 5.321 ppb.
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