Stay updated with real-time air quality in Pontiac, 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)
79
Moderate
Pontiac, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
24.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
69.02 μg/m³
0
55
155
255
425
605+
12.86 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
7.73 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pontiac, Illinois
Pontiac, Illinois
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AQI 44
Good
7.54μg/m³
PM2.5
33.65μg/m³
PM10
18.74ppb
O3
1.39ppb
SO2
8.35ppb
NO2
0.23ppm
CO
AQI 73
Moderate
20.90μg/m³
PM2.5
93.01μg/m³
PM10
10.77ppb
O3
0.52ppb
SO2
7.39ppb
NO2
0.20ppm
CO
AQI 73
Moderate
20.95μg/m³
PM2.5
93.22μg/m³
PM10
10.81ppb
O3
0.51ppb
SO2
7.39ppb
NO2
0.20ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
26.95μg/m³
PM10
22.04ppb
O3
1.22ppb
SO2
7.45ppb
NO2
0.23ppm
CO
AQI 54
Moderate
10.97μg/m³
PM2.5
54.03μg/m³
PM10
14.31ppb
O3
0.81ppb
SO2
8.44ppb
NO2
0.19ppm
CO
AQI 77
Moderate
23.06μg/m³
PM2.5
83.66μg/m³
PM10
11.50ppb
O3
0.46ppb
SO2
7.07ppb
NO2
0.22ppm
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 Pontiac, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Pontiac, Illinois was at its worst at 03:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Pontiac, Illinois was observed at 11:00:00 on 2025-12-06.
As of now, the AQI in Pontiac, Illinois is 79, indicating Moderate conditions.
Pontiac, Illinois air has the highest levels of PM2.5.
Poor air quality in Pontiac, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Pontiac, Illinois are currently 24.365 μg/m3.
The PM10 concentration in Pontiac, Illinois is 69.016 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pontiac, Illinois is 0.175 ppm.
Currently, Pontiac, Illinois has a sulfur dioxide (SO2) concentration of 0.619 ppb.
The current ozone (O3) level in Pontiac, Illinois at the moment is 12.864 ppm.
Nitrogen dioxide (NO2) level in Pontiac, Illinois at the moment is 7.73 ppb.
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