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)
27
Good
Pontiac, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.14 μg/m³
0
55
155
255
425
605+
24.07 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
2.65 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Pontiac, Illinois
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AQI 25
Good
3.20μg/m³
PM2.5
13.51μg/m³
PM10
27.08ppb
O3
0.28ppb
SO2
1.35ppb
NO2
0.10ppm
CO
AQI 27
Good
5.30μg/m³
PM2.5
23.00μg/m³
PM10
26.00ppb
O3
0.69ppb
SO2
3.38ppb
NO2
0.13ppm
CO
AQI 27
Good
5.31μg/m³
PM2.5
23.02μg/m³
PM10
25.97ppb
O3
0.69ppb
SO2
3.38ppb
NO2
0.13ppm
CO
AQI 25
Good
3.05μg/m³
PM2.5
12.44μg/m³
PM10
27.20ppb
O3
0.27ppb
SO2
1.29ppb
NO2
0.10ppm
CO
AQI 22
Good
4.38μg/m³
PM2.5
22.84μg/m³
PM10
21.21ppb
O3
0.50ppb
SO2
2.67ppb
NO2
0.14ppm
CO
AQI 27
Good
5.47μg/m³
PM2.5
22.53μg/m³
PM10
23.13ppb
O3
0.80ppb
SO2
3.35ppb
NO2
0.12ppm
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 07:00:00 on 2026-03-06.
In the last 24 hours, the best air quality in Pontiac, Illinois was observed at 11:00:00 on 2026-03-07.
As of now, the AQI in Pontiac, Illinois is 27, indicating Good 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 4.873 μg/m3.
The PM10 concentration in Pontiac, Illinois is 15.136 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pontiac, Illinois is 0.122 ppm.
Currently, Pontiac, Illinois has a sulfur dioxide (SO2) concentration of 0.468 ppb.
The current ozone (O3) level in Pontiac, Illinois at the moment is 24.067 ppm.
Nitrogen dioxide (NO2) level in Pontiac, Illinois at the moment is 2.646 ppb.
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