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)
33
Good
Plano, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.69 μg/m³
0
55
155
255
425
605+
28.50 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
11.21 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Plano, Illinois
Plano, Illinois
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AQI 27
Good
5.46μg/m³
PM2.5
23.48μg/m³
PM10
27.53ppb
O3
0.50ppb
SO2
13.23ppb
NO2
0.22ppm
CO
AQI 27
Good
5.33μg/m³
PM2.5
18.89μg/m³
PM10
26.93ppb
O3
0.50ppb
SO2
13.35ppb
NO2
0.22ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
23.82μg/m³
PM10
25.76ppb
O3
0.50ppb
SO2
12.11ppb
NO2
0.23ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
23.23μg/m³
PM10
26.70ppb
O3
0.50ppb
SO2
12.68ppb
NO2
0.23ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.18μg/m³
PM10
26.78ppb
O3
0.50ppb
SO2
12.93ppb
NO2
0.23ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.15μg/m³
PM10
26.85ppb
O3
0.50ppb
SO2
13.17ppb
NO2
0.23ppm
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 05:00:00 on 2025-12-07.
The best air quality in Plano, Illinois was recorded at 01:00:00 on 2025-12-08.
The real-time air quality index in Plano, Illinois is 33, 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 5.656 μg/m3.
The current PM10 levels in Plano, Illinois are 20.693 μg/m3.
The current carbon monoxide (CO) level in Plano, Illinois is 0.219 ppm.
The current sulfur dioxide (SO2) levels in Plano, Illinois are 0.499 ppb.
The current ozone (O3) levels at Plano, Illinois is 28.503 ppm.
The current nitrogen dioxide (NO2) levels at Plano, Illinois is 11.206 ppb.
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