Stay updated with real-time air quality in Plano, 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)
22
Good
Plano, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.77 μg/m³
0
55
155
255
425
605+
23.44 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
4.38 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Plano, Illinois
Plano, Illinois
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AQI 22
Good
4.27μg/m³
PM2.5
18.78μg/m³
PM10
23.25ppb
O3
0.54ppb
SO2
4.36ppb
NO2
0.17ppm
CO
AQI 22
Good
4.29μg/m³
PM2.5
18.84μg/m³
PM10
21.91ppb
O3
0.54ppb
SO2
5.83ppb
NO2
0.18ppm
CO
AQI 22
Good
4.43μg/m³
PM2.5
19.56μg/m³
PM10
22.08ppb
O3
0.52ppb
SO2
6.37ppb
NO2
0.18ppm
CO
AQI 22
Good
4.25μg/m³
PM2.5
18.67μg/m³
PM10
22.08ppb
O3
0.53ppb
SO2
6.24ppb
NO2
0.18ppm
CO
AQI 22
Good
4.37μg/m³
PM2.5
19.23μg/m³
PM10
22.34ppb
O3
0.54ppb
SO2
6.22ppb
NO2
0.18ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
20.04μg/m³
PM10
22.68ppb
O3
0.54ppb
SO2
6.20ppb
NO2
0.18ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Plano, Illinois is updated on an hourly basis.
The worst air quality in Plano, Illinois was recorded at 03:00:00 on 2025-12-13.
The best air quality in Plano, Illinois was recorded at 05:00:00 on 2025-12-13.
The real-time air quality index in Plano, Illinois is 22, currently categorized as Good.
The most common pollutant in Plano, Illinois is PM2.5.
If the air quality in Plano, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Plano, Illinois at present are 4.321 μg/m3.
The current PM10 levels in Plano, Illinois are 18.772 μg/m3.
The current carbon monoxide (CO) level in Plano, Illinois is 0.173 ppm.
The current sulfur dioxide (SO2) levels in Plano, Illinois are 0.551 ppb.
The current ozone (O3) levels at Plano, Illinois is 23.444 ppm.
The current nitrogen dioxide (NO2) levels at Plano, Illinois is 4.385 ppb.
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