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)
56
Moderate
Pontiac, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.50 μg/m³
0
55
155
255
425
605+
52.43 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
4.18 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Pontiac, Illinois
Pontiac, Illinois
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AQI 48
Good
5.28μg/m³
PM2.5
22.95μg/m³
PM10
51.73ppb
O3
0.19ppb
SO2
1.33ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.50μg/m³
PM2.5
43.00μg/m³
PM10
53.00ppb
O3
0.78ppb
SO2
3.77ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.51μg/m³
PM2.5
43.03μg/m³
PM10
52.96ppb
O3
0.79ppb
SO2
3.77ppb
NO2
0.15ppm
CO
AQI 47
Good
4.98μg/m³
PM2.5
21.11μg/m³
PM10
50.89ppb
O3
0.22ppb
SO2
1.35ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.78μg/m³
PM2.5
40.83μg/m³
PM10
51.82ppb
O3
0.58ppb
SO2
1.75ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.04μg/m³
PM2.5
45.36μg/m³
PM10
49.55ppb
O3
1.25ppb
SO2
3.39ppb
NO2
0.16ppm
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 02:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Pontiac, Illinois was observed at 10:00:00 on 2026-04-23.
As of now, the AQI in Pontiac, Illinois is 52, 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 10.107 μg/m3.
The PM10 concentration in Pontiac, Illinois is 39.096 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pontiac, Illinois is 0.129 ppm.
Currently, Pontiac, Illinois has a sulfur dioxide (SO2) concentration of 0.793 ppb.
The current ozone (O3) level in Pontiac, Illinois at the moment is 52.328 ppm.
Nitrogen dioxide (NO2) level in Pontiac, Illinois at the moment is 2.838 ppb.
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