Stay updated with real-time air quality in Greenfield, 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)
79
Moderate
Greenfield, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
24.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
103.10 μg/m³
0
55
155
255
425
605+
46.77 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
8.88 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Greenfield, Indiana
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AQI 81
Moderate
24.76μg/m³
PM2.5
100.96μg/m³
PM10
44.78ppb
O3
0.42ppb
SO2
7.60ppb
NO2
0.30ppm
CO
AQI 79
Moderate
24.34μg/m³
PM2.5
84.26μg/m³
PM10
44.32ppb
O3
0.24ppb
SO2
6.62ppb
NO2
0.30ppm
CO
AQI 81
Moderate
24.99μg/m³
PM2.5
81.02μg/m³
PM10
45.44ppb
O3
0.18ppb
SO2
5.49ppb
NO2
0.30ppm
CO
AQI 81
Moderate
24.67μg/m³
PM2.5
94.68μg/m³
PM10
45.75ppb
O3
0.39ppb
SO2
7.40ppb
NO2
0.30ppm
CO
AQI 79
Moderate
24.08μg/m³
PM2.5
85.46μg/m³
PM10
44.90ppb
O3
0.45ppb
SO2
11.17ppb
NO2
0.32ppm
CO
AQI 81
Moderate
24.93μg/m³
PM2.5
84.44μg/m³
PM10
45.48ppb
O3
0.20ppb
SO2
5.16ppb
NO2
0.30ppm
CO
The air quality data for Indiana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Greenfield, Indiana are available every hour.
Greenfield, Indiana experienced its worst air quality at 07:00:00, 2025-06-03.
The best air quality in Greenfield, Indiana was observed at 05:00:00 on 2025-06-03.
The air quality in Greenfield, Indiana right now is Moderate, with an AQI of 79.
In Greenfield, Indiana, PM2.5 is the most frequently found pollutant.
When air quality in Greenfield, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Greenfield, Indiana currently has a PM2.5 concentration of 24.192 μg/m3.
Greenfield, Indiana currently has a PM10 concentration of 103.096 μg/m3.
The current carbon monoxide (CO) level in Greenfield, Indiana is 0.306 ppm.
The current sulfur dioxide (SO2) concentration in Greenfield, Indiana is 0.564 ppb.
Greenfield, Indiana currently has an ozone (O3) concentration of 46.77 ppm.
The current level of nitrogen dioxide (NO2) in Greenfield, Indiana is 8.881 ppb.
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