Stay updated with real-time air quality in Plainfield, 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)
44
Good
Plainfield, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.41 μg/m³
0
55
155
255
425
605+
47.02 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
7.72 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, Indiana
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AQI 44
Good
4.81μg/m³
PM2.5
23.71μg/m³
PM10
47.99ppb
O3
0.67ppb
SO2
7.71ppb
NO2
0.17ppm
CO
AQI 40
Good
4.86μg/m³
PM2.5
20.65μg/m³
PM10
42.79ppb
O3
0.48ppb
SO2
7.67ppb
NO2
0.17ppm
CO
AQI 43
Good
4.86μg/m³
PM2.5
22.70μg/m³
PM10
45.79ppb
O3
0.69ppb
SO2
7.73ppb
NO2
0.17ppm
CO
AQI 42
Good
5.04μg/m³
PM2.5
21.67μg/m³
PM10
44.63ppb
O3
0.71ppb
SO2
7.76ppb
NO2
0.16ppm
CO
AQI 37
Good
5.31μg/m³
PM2.5
22.17μg/m³
PM10
40.09ppb
O3
0.80ppb
SO2
7.79ppb
NO2
0.15ppm
CO
AQI 37
Good
5.20μg/m³
PM2.5
20.80μg/m³
PM10
40.16ppb
O3
0.82ppb
SO2
7.79ppb
NO2
0.15ppm
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 Plainfield, Indiana are available every hour.
Plainfield, Indiana experienced its worst air quality at 05:00:00, 2026-07-23.
The best air quality in Plainfield, Indiana was observed at 04:00:00 on 2026-07-23.
The air quality in Plainfield, Indiana right now is Good, with an AQI of 44.
In Plainfield, Indiana, O3 is the most frequently found pollutant.
When air quality in Plainfield, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Plainfield, Indiana currently has a PM2.5 concentration of 4.865 μg/m3.
Plainfield, Indiana currently has a PM10 concentration of 23.409 μg/m3.
The current carbon monoxide (CO) level in Plainfield, Indiana is 0.169 ppm.
The current sulfur dioxide (SO2) concentration in Plainfield, Indiana is 0.68 ppb.
Plainfield, Indiana currently has an ozone (O3) concentration of 47.018 ppm.
The current level of nitrogen dioxide (NO2) in Plainfield, Indiana is 7.717 ppb.
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