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)
52
Moderate
Plainfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.46 μg/m³
0
55
155
255
425
605+
23.65 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
8.50 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, Illinois
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AQI 52
Moderate
9.50μg/m³
PM2.5
42.40μg/m³
PM10
21.50ppb
O3
0.56ppb
SO2
7.52ppb
NO2
0.21ppm
CO
AQI 38
Good
6.92μg/m³
PM2.5
38.19μg/m³
PM10
31.41ppb
O3
0.56ppb
SO2
7.63ppb
NO2
0.21ppm
CO
AQI 60
Moderate
13.95μg/m³
PM2.5
62.49μg/m³
PM10
29.17ppb
O3
0.57ppb
SO2
6.93ppb
NO2
0.21ppm
CO
AQI 54
Moderate
10.68μg/m³
PM2.5
47.72μg/m³
PM10
23.44ppb
O3
0.57ppb
SO2
7.42ppb
NO2
0.21ppm
CO
AQI 60
Moderate
14.06μg/m³
PM2.5
63.01μg/m³
PM10
29.36ppb
O3
0.57ppb
SO2
6.93ppb
NO2
0.21ppm
CO
AQI 49
Good
9.02μg/m³
PM2.5
41.09μg/m³
PM10
27.61ppb
O3
0.54ppb
SO2
5.86ppb
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 01:00:00 on 2026-03-11.
In the last 24 hours, the best air quality in Plainfield, Illinois was observed at 03:00:00 on 2026-03-10.
As of now, the AQI in Plainfield, Illinois is 56, indicating Moderate 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 11.822 μg/m3.
The PM10 concentration in Plainfield, Illinois is 52.889 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Plainfield, Illinois is 0.16 ppm.
Currently, Plainfield, Illinois has a sulfur dioxide (SO2) concentration of 0.443 ppb.
The current ozone (O3) level in Plainfield, Illinois at the moment is 25.367 ppm.
Nitrogen dioxide (NO2) level in Plainfield, Illinois at the moment is 6.876 ppb.
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