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)
73
Moderate
Greenwood, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.48 μg/m³
0
55
155
255
425
605+
15.63 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
13.06 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greenwood, Indiana
Greenwood, Indiana
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AQI 67
Moderate
18.17μg/m³
PM2.5
59.23μg/m³
PM10
18.18ppb
O3
0.54ppb
SO2
15.57ppb
NO2
0.30ppm
CO
AQI 79
Moderate
24.49μg/m³
PM2.5
82.93μg/m³
PM10
9.90ppb
O3
0.37ppb
SO2
19.54ppb
NO2
0.30ppm
CO
AQI 67
Moderate
18.13μg/m³
PM2.5
51.65μg/m³
PM10
19.32ppb
O3
0.56ppb
SO2
17.98ppb
NO2
0.30ppm
CO
AQI 81
Moderate
25.25μg/m³
PM2.5
91.15μg/m³
PM10
9.50ppb
O3
0.38ppb
SO2
19.46ppb
NO2
0.30ppm
CO
AQI 82
Moderate
25.80μg/m³
PM2.5
103.31μg/m³
PM10
10.91ppb
O3
0.48ppb
SO2
18.66ppb
NO2
0.30ppm
CO
AQI 77
Moderate
23.21μg/m³
PM2.5
73.84μg/m³
PM10
11.52ppb
O3
0.39ppb
SO2
18.02ppb
NO2
0.30ppm
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 07:00:00 on 2025-12-06.
The best air quality in Greenwood, Indiana was recorded at 02:00:00 on 2025-12-06.
The real-time air quality index in Greenwood, Indiana is 73, currently categorized as Moderate.
The most common pollutant in Greenwood, Indiana is PM2.5.
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 20.623 μg/m3.
The current PM10 levels in Greenwood, Indiana are 49.48 μg/m3.
The current carbon monoxide (CO) level in Greenwood, Indiana is 0.355 ppm.
The current sulfur dioxide (SO2) levels in Greenwood, Indiana are 0.525 ppb.
The current ozone (O3) levels at Greenwood, Indiana is 15.625 ppm.
The current nitrogen dioxide (NO2) levels at Greenwood, Indiana is 13.065 ppb.
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