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)
19
Good
Plano, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.12 μg/m³
0
55
155
255
425
605+
21.10 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Plano, Illinois
Plano, Illinois
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AQI 44
Good
7.58μg/m³
PM2.5
23.71μg/m³
PM10
26.00ppb
O3
1.03ppb
SO2
14.20ppb
NO2
0.20ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
38.66μg/m³
PM10
25.40ppb
O3
1.01ppb
SO2
14.42ppb
NO2
0.22ppm
CO
AQI 38
Good
7.21μg/m³
PM2.5
31.62μg/m³
PM10
19.02ppb
O3
1.06ppb
SO2
13.04ppb
NO2
0.23ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
31.17μg/m³
PM10
19.22ppb
O3
1.05ppb
SO2
13.45ppb
NO2
0.23ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
31.25μg/m³
PM10
19.63ppb
O3
1.05ppb
SO2
13.70ppb
NO2
0.23ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
31.84μg/m³
PM10
20.30ppb
O3
1.05ppb
SO2
13.91ppb
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 01:00:00 on 2025-09-05.
The best air quality in Plano, Illinois was recorded at 07:00:00 on 2025-09-06.
The real-time air quality index in Plano, Illinois is 19, currently categorized as Good.
The most common pollutant in Plano, Illinois is O3.
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 2.911 μg/m3.
The current PM10 levels in Plano, Illinois are 12.119 μg/m3.
The current carbon monoxide (CO) level in Plano, Illinois is 0.126 ppm.
The current sulfur dioxide (SO2) levels in Plano, Illinois are 0.717 ppb.
The current ozone (O3) levels at Plano, Illinois is 21.097 ppm.
The current nitrogen dioxide (NO2) levels at Plano, Illinois is 4.871 ppb.
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