Stay updated with real-time air quality in Plainfield, Illinois 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)
38
Good
Plainfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.60 μg/m³
0
55
155
255
425
605+
38.85 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
5.77 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, Illinois
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AQI 38
Good
6.76μg/m³
PM2.5
28.03μg/m³
PM10
35.98ppb
O3
0.43ppb
SO2
2.67ppb
NO2
0.21ppm
CO
AQI 30
Good
5.28μg/m³
PM2.5
23.39μg/m³
PM10
31.61ppb
O3
0.44ppb
SO2
2.65ppb
NO2
0.20ppm
CO
AQI 44
Good
7.66μg/m³
PM2.5
33.26μg/m³
PM10
31.32ppb
O3
0.44ppb
SO2
2.62ppb
NO2
0.20ppm
CO
AQI 38
Good
7.06μg/m³
PM2.5
29.65μg/m³
PM10
34.82ppb
O3
0.43ppb
SO2
2.65ppb
NO2
0.20ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
33.42μg/m³
PM10
31.21ppb
O3
0.44ppb
SO2
2.61ppb
NO2
0.20ppm
CO
AQI 30
Good
4.39μg/m³
PM2.5
25.90μg/m³
PM10
31.72ppb
O3
0.44ppb
SO2
2.84ppb
NO2
0.21ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Plainfield, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Plainfield, Illinois was at its worst at 05:00:00 on 2026-08-08.
In the last 24 hours, the best air quality in Plainfield, Illinois was observed at 12:00:00 on 2026-08-09.
As of now, the AQI in Plainfield, Illinois is 38, indicating Good conditions.
Plainfield, Illinois air has the highest levels of PM2.5.
Poor air quality in Plainfield, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Plainfield, Illinois are currently 6.744 μg/m3.
The PM10 concentration in Plainfield, Illinois is 28.839 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Plainfield, Illinois is 0.206 ppm.
Currently, Plainfield, Illinois has a sulfur dioxide (SO2) concentration of 0.438 ppb.
The current ozone (O3) level in Plainfield, Illinois at the moment is 33.218 ppm.
Nitrogen dioxide (NO2) level in Plainfield, Illinois at the moment is 2.702 ppb.
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