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
5.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.94 μg/m³
0
55
155
255
425
605+
15.13 ppb
0
55
71
86
201
201+
2.23 ppb
0
36
76
186
605
1005+
6.11 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Danville, Illinois
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AQI 66
Moderate
17.30μg/m³
PM2.5
61.03μg/m³
PM10
16.44ppb
O3
0.37ppb
SO2
9.55ppb
NO2
0.15ppm
CO
AQI 69
Moderate
18.85μg/m³
PM2.5
82.78μg/m³
PM10
18.53ppb
O3
0.68ppb
SO2
8.70ppb
NO2
0.13ppm
CO
AQI 69
Moderate
18.89μg/m³
PM2.5
82.97μg/m³
PM10
18.50ppb
O3
0.67ppb
SO2
8.75ppb
NO2
0.13ppm
CO
AQI 77
Moderate
22.53μg/m³
PM2.5
77.55μg/m³
PM10
17.63ppb
O3
0.37ppb
SO2
11.27ppb
NO2
0.25ppm
CO
AQI 66
Moderate
17.48μg/m³
PM2.5
62.18μg/m³
PM10
14.67ppb
O3
0.67ppb
SO2
8.84ppb
NO2
0.13ppm
CO
AQI 67
Moderate
18.47μg/m³
PM2.5
82.16μg/m³
PM10
13.07ppb
O3
0.36ppb
SO2
12.64ppb
NO2
0.24ppm
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 2025-12-06.
In the last 24 hours, the best air quality in Danville, Illinois was observed at 09:00:00 on 2025-12-07.
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 5.833 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 0.233 ppm.
Currently, Danville, Illinois has a sulfur dioxide (SO2) concentration of 2.228 ppb.
The current ozone (O3) level in Danville, Illinois at the moment is 15.126 ppm.
Nitrogen dioxide (NO2) level in Danville, Illinois at the moment is 6.106 ppb.
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