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)
54
Moderate
Danville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.22 μg/m³
0
55
155
255
425
605+
55.73 ppb
0
55
71
86
201
201+
1.35 ppb
0
36
76
186
605
1005+
0.93 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 50
Good
6.92μg/m³
PM2.5
30.88μg/m³
PM10
54.30ppb
O3
0.96ppb
SO2
3.73ppb
NO2
0.13ppm
CO
AQI 48
Good
6.95μg/m³
PM2.5
30.85μg/m³
PM10
52.43ppb
O3
0.81ppb
SO2
3.76ppb
NO2
0.12ppm
CO
AQI 48
Good
6.99μg/m³
PM2.5
30.97μg/m³
PM10
51.63ppb
O3
0.82ppb
SO2
3.76ppb
NO2
0.12ppm
CO
AQI 54
Moderate
11.37μg/m³
PM2.5
30.40μg/m³
PM10
51.42ppb
O3
1.25ppb
SO2
6.02ppb
NO2
0.17ppm
CO
AQI 48
Good
6.82μg/m³
PM2.5
29.72μg/m³
PM10
51.59ppb
O3
0.84ppb
SO2
3.77ppb
NO2
0.12ppm
CO
AQI 69
Moderate
19.41μg/m³
PM2.5
84.77μg/m³
PM10
48.93ppb
O3
1.37ppb
SO2
6.30ppb
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 03:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Danville, Illinois was observed at 11:00:00 on 2026-10-21.
As of now, the AQI in Danville, Illinois is 54, indicating Moderate 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 8.586 μg/m3.
The PM10 concentration in Danville, Illinois is 37.224 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Danville, Illinois is 0.164 ppm.
Currently, Danville, Illinois has a sulfur dioxide (SO2) concentration of 1.347 ppb.
The current ozone (O3) level in Danville, Illinois at the moment is 55.734 ppm.
Nitrogen dioxide (NO2) level in Danville, Illinois at the moment is 0.931 ppb.
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