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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.94 μg/m³
0
55
155
255
425
605+
22.27 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
2.31 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Danville, Illinois
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AQI 27
Good
4.87μg/m³
PM2.5
21.28μg/m³
PM10
24.00ppb
O3
0.34ppb
SO2
5.89ppb
NO2
0.15ppm
CO
AQI 27
Good
4.61μg/m³
PM2.5
20.10μg/m³
PM10
25.87ppb
O3
0.23ppb
SO2
5.96ppb
NO2
0.12ppm
CO
AQI 27
Good
4.60μg/m³
PM2.5
20.02μg/m³
PM10
25.63ppb
O3
0.24ppb
SO2
5.90ppb
NO2
0.12ppm
CO
AQI 27
Good
4.65μg/m³
PM2.5
22.24μg/m³
PM10
25.59ppb
O3
0.55ppb
SO2
6.20ppb
NO2
0.20ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
22.14μg/m³
PM10
25.62ppb
O3
0.24ppb
SO2
6.56ppb
NO2
0.13ppm
CO
AQI 38
Good
6.62μg/m³
PM2.5
29.54μg/m³
PM10
24.86ppb
O3
0.53ppb
SO2
5.67ppb
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 Danville, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Danville, Illinois was at its worst at 11:00:00 on 2026-01-16.
In the last 24 hours, the best air quality in Danville, Illinois was observed at 03:00:00 on 2026-01-15.
As of now, the AQI in Danville, Illinois is 33, indicating Good conditions.
Danville, Illinois air has the highest levels of PM2.5.
Poor air quality in Danville, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Danville, Illinois are currently 5.727 μg/m3.
The PM10 concentration in Danville, Illinois is 24.942 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Danville, Illinois is 0.16 ppm.
Currently, Danville, Illinois has a sulfur dioxide (SO2) concentration of 0.874 ppb.
The current ozone (O3) level in Danville, Illinois at the moment is 22.268 ppm.
Nitrogen dioxide (NO2) level in Danville, Illinois at the moment is 2.306 ppb.
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