Stay updated with real-time air quality in Oak Park, 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)
49
Good
Oak Park, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.76 μg/m³
0
55
155
255
425
605+
32.09 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Oak Park, Illinois
Oak Park, Illinois
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AQI 33
Good
5.82μg/m³
PM2.5
25.57μg/m³
PM10
21.73ppb
O3
0.52ppb
SO2
10.58ppb
NO2
0.21ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
24.01μg/m³
PM10
20.25ppb
O3
0.51ppb
SO2
10.59ppb
NO2
0.21ppm
CO
AQI 33
Good
5.84μg/m³
PM2.5
25.68μg/m³
PM10
21.90ppb
O3
0.52ppb
SO2
10.54ppb
NO2
0.21ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
23.92μg/m³
PM10
20.41ppb
O3
0.51ppb
SO2
10.53ppb
NO2
0.21ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
26.92μg/m³
PM10
19.88ppb
O3
0.51ppb
SO2
10.37ppb
NO2
0.21ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
24.05μg/m³
PM10
20.04ppb
O3
0.52ppb
SO2
10.69ppb
NO2
0.21ppm
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 Oak Park, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Oak Park, Illinois was at its worst at 07:00:00 on 2025-07-24.
In the last 24 hours, the best air quality in Oak Park, Illinois was observed at 04:00:00 on 2025-07-25.
As of now, the AQI in Oak Park, Illinois is 33, indicating Good conditions.
Oak Park, Illinois air has the highest levels of PM2.5.
Poor air quality in Oak Park, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Oak Park, Illinois are currently 5.667 μg/m3.
The PM10 concentration in Oak Park, Illinois is 24.907 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Oak Park, Illinois is 0.158 ppm.
Currently, Oak Park, Illinois has a sulfur dioxide (SO2) concentration of 0.537 ppb.
The current ozone (O3) level in Oak Park, Illinois at the moment is 18.159 ppm.
Nitrogen dioxide (NO2) level in Oak Park, Illinois at the moment is 10.237 ppb.
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