Stay updated with real-time air quality in Urbana, 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)
43
Good
Urbana, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.86 μg/m³
0
55
155
255
425
605+
45.93 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
8.44 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Urbana, Illinois
Urbana, Illinois
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AQI 22
Good
4.36μg/m³
PM2.5
18.38μg/m³
PM10
21.39ppb
O3
0.88ppb
SO2
8.72ppb
NO2
0.20ppm
CO
AQI 27
Good
4.51μg/m³
PM2.5
24.14μg/m³
PM10
21.48ppb
O3
0.87ppb
SO2
10.04ppb
NO2
0.20ppm
CO
AQI 27
Good
4.60μg/m³
PM2.5
28.93μg/m³
PM10
19.39ppb
O3
0.94ppb
SO2
8.30ppb
NO2
0.24ppm
CO
AQI 30
Good
4.14μg/m³
PM2.5
18.07μg/m³
PM10
31.82ppb
O3
1.12ppb
SO2
3.55ppb
NO2
0.18ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
20.85μg/m³
PM10
21.97ppb
O3
0.96ppb
SO2
10.61ppb
NO2
0.34ppm
CO
AQI 27
Good
5.39μg/m³
PM2.5
22.95μg/m³
PM10
22.04ppb
O3
0.89ppb
SO2
9.65ppb
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 Urbana, Illinois is updated on an hourly basis.
The worst air quality in Urbana, Illinois was recorded at 11:00:00 on 2026-10-05.
The best air quality in Urbana, Illinois was recorded at 03:00:00 on 2026-10-06.
The real-time air quality index in Urbana, Illinois is 22, currently categorized as Good.
The most common pollutant in Urbana, Illinois is PM2.5.
If the air quality in Urbana, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Urbana, Illinois at present are 4.367 μg/m3.
The current PM10 levels in Urbana, Illinois are 19.455 μg/m3.
The current carbon monoxide (CO) level in Urbana, Illinois is 0.217 ppm.
The current sulfur dioxide (SO2) levels in Urbana, Illinois are 0.903 ppb.
The current ozone (O3) levels at Urbana, Illinois is 21.307 ppm.
The current nitrogen dioxide (NO2) levels at Urbana, Illinois is 10.325 ppb.
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