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)
35
Good
Plainfield, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.19 μg/m³
0
55
155
255
425
605+
37.78 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
2.82 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, Indiana
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AQI 36
Good
5.08μg/m³
PM2.5
23.96μg/m³
PM10
38.99ppb
O3
0.41ppb
SO2
3.68ppb
NO2
0.16ppm
CO
AQI 35
Good
6.00μg/m³
PM2.5
19.65μg/m³
PM10
37.61ppb
O3
0.41ppb
SO2
3.47ppb
NO2
0.16ppm
CO
AQI 34
Good
5.46μg/m³
PM2.5
22.32μg/m³
PM10
36.86ppb
O3
0.41ppb
SO2
3.39ppb
NO2
0.16ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
27.91μg/m³
PM10
34.61ppb
O3
0.41ppb
SO2
2.86ppb
NO2
0.16ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
21.21μg/m³
PM10
35.01ppb
O3
0.43ppb
SO2
2.42ppb
NO2
0.16ppm
CO
AQI 32
Good
5.34μg/m³
PM2.5
18.37μg/m³
PM10
35.43ppb
O3
0.44ppb
SO2
2.34ppb
NO2
0.16ppm
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 03:00:00, 2026-03-09.
The best air quality in Plainfield, Indiana was observed at 10:00:00 on 2026-03-09.
The air quality in Plainfield, Indiana right now is Good, with an AQI of 35.
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 5.359 μg/m3.
Plainfield, Indiana currently has a PM10 concentration of 18.189 μg/m3.
The current carbon monoxide (CO) level in Plainfield, Indiana is 0.16 ppm.
The current sulfur dioxide (SO2) concentration in Plainfield, Indiana is 0.372 ppb.
Plainfield, Indiana currently has an ozone (O3) concentration of 37.778 ppm.
The current level of nitrogen dioxide (NO2) in Plainfield, Indiana is 2.821 ppb.
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