Stay updated with real-time air quality in Champaign, 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)
58
Moderate
Champaign, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.02 μg/m³
0
55
155
255
425
605+
35.83 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
2.19 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Champaign, Illinois
Champaign, Illinois
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AQI 58
Moderate
12.79μg/m³
PM2.5
57.29μg/m³
PM10
30.15ppb
O3
0.89ppb
SO2
3.22ppb
NO2
0.14ppm
CO
AQI 58
Moderate
13.19μg/m³
PM2.5
61.00μg/m³
PM10
31.59ppb
O3
0.87ppb
SO2
3.21ppb
NO2
0.14ppm
CO
AQI 58
Moderate
13.05μg/m³
PM2.5
53.81μg/m³
PM10
21.20ppb
O3
1.19ppb
SO2
3.41ppb
NO2
0.15ppm
CO
AQI 41
Good
5.95μg/m³
PM2.5
27.00μg/m³
PM10
43.90ppb
O3
1.29ppb
SO2
1.21ppb
NO2
0.21ppm
CO
AQI 54
Moderate
10.94μg/m³
PM2.5
48.18μg/m³
PM10
29.00ppb
O3
0.70ppb
SO2
4.57ppb
NO2
0.14ppm
CO
AQI 54
Moderate
10.87μg/m³
PM2.5
31.33μg/m³
PM10
25.73ppb
O3
0.78ppb
SO2
3.13ppb
NO2
0.19ppm
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 Champaign, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Champaign, Illinois was at its worst at 06:00:00 on 2025-07-13.
In the last 24 hours, the best air quality in Champaign, Illinois was observed at 01:00:00 on 2025-07-14.
As of now, the AQI in Champaign, Illinois is 58, indicating Moderate conditions.
Champaign, Illinois air has the highest levels of PM2.5.
Poor air quality in Champaign, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Champaign, Illinois are currently 12.711 μg/m3.
The PM10 concentration in Champaign, Illinois is 57.018 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Champaign, Illinois is 0.132 ppm.
Currently, Champaign, Illinois has a sulfur dioxide (SO2) concentration of 0.879 ppb.
The current ozone (O3) level in Champaign, Illinois at the moment is 35.829 ppm.
Nitrogen dioxide (NO2) level in Champaign, Illinois at the moment is 2.193 ppb.
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