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)
36
Good
Danville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.00 μg/m³
0
55
155
255
425
605+
38.96 ppb
0
55
71
86
201
201+
1.53 ppb
0
36
76
186
605
1005+
2.14 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 38
Good
6.61μg/m³
PM2.5
29.72μg/m³
PM10
37.39ppb
O3
0.62ppb
SO2
1.62ppb
NO2
0.15ppm
CO
AQI 38
Good
6.91μg/m³
PM2.5
30.89μg/m³
PM10
36.87ppb
O3
0.64ppb
SO2
1.53ppb
NO2
0.15ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
30.39μg/m³
PM10
37.10ppb
O3
0.56ppb
SO2
1.50ppb
NO2
0.15ppm
CO
AQI 35
Good
5.64μg/m³
PM2.5
24.52μg/m³
PM10
37.67ppb
O3
2.24ppb
SO2
2.70ppb
NO2
0.17ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
29.64μg/m³
PM10
40.47ppb
O3
0.39ppb
SO2
1.47ppb
NO2
0.15ppm
CO
AQI 36
Good
3.65μg/m³
PM2.5
16.01μg/m³
PM10
39.20ppb
O3
1.92ppb
SO2
2.32ppb
NO2
0.17ppm
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 09:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Danville, Illinois was observed at 10:00:00 on 2026-04-23.
As of now, the AQI in Danville, Illinois is 36, 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 5.269 μg/m3.
The PM10 concentration in Danville, Illinois is 23 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Danville, Illinois is 0.162 ppm.
Currently, Danville, Illinois has a sulfur dioxide (SO2) concentration of 1.531 ppb.
The current ozone (O3) level in Danville, Illinois at the moment is 38.961 ppm.
Nitrogen dioxide (NO2) level in Danville, Illinois at the moment is 2.136 ppb.
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