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
5.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.87 μg/m³
0
55
155
255
425
605+
27.09 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
7.85 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Danville, Illinois
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AQI 38
Good
3.78μg/m³
PM2.5
16.45μg/m³
PM10
41.37ppb
O3
0.56ppb
SO2
5.48ppb
NO2
0.13ppm
CO
AQI 39
Good
3.73μg/m³
PM2.5
16.20μg/m³
PM10
42.45ppb
O3
0.52ppb
SO2
5.54ppb
NO2
0.13ppm
CO
AQI 39
Good
3.79μg/m³
PM2.5
16.59μg/m³
PM10
42.42ppb
O3
0.49ppb
SO2
5.51ppb
NO2
0.12ppm
CO
AQI 36
Good
3.16μg/m³
PM2.5
14.44μg/m³
PM10
38.73ppb
O3
0.82ppb
SO2
9.54ppb
NO2
0.15ppm
CO
AQI 39
Good
3.71μg/m³
PM2.5
17.09μg/m³
PM10
42.43ppb
O3
0.48ppb
SO2
5.33ppb
NO2
0.12ppm
CO
AQI 36
Good
4.05μg/m³
PM2.5
17.89μg/m³
PM10
38.82ppb
O3
0.82ppb
SO2
6.96ppb
NO2
0.14ppm
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 12:00:00 on 2026-10-05.
In the last 24 hours, the best air quality in Danville, Illinois was observed at 02:00:00 on 2026-10-05.
As of now, the AQI in Danville, Illinois is 39, indicating Good conditions.
Danville, Illinois air has the highest levels of O3.
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 1.345 μg/m3.
The PM10 concentration in Danville, Illinois is 5.071 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Danville, Illinois is 0.147 ppm.
Currently, Danville, Illinois has a sulfur dioxide (SO2) concentration of 0.893 ppb.
The current ozone (O3) level in Danville, Illinois at the moment is 42.185 ppm.
Nitrogen dioxide (NO2) level in Danville, Illinois at the moment is 1.088 ppb.
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