Stay updated with real-time air quality in Oak Forest, 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
Oak Forest, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
23.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
104.78 μg/m³
0
55
155
255
425
605+
31.42 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
5.10 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Oak Forest, Illinois
Oak Forest, Illinois
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AQI 81
Moderate
24.67μg/m³
PM2.5
107.91μg/m³
PM10
30.74ppb
O3
0.22ppb
SO2
4.14ppb
NO2
0.29ppm
CO
AQI 79
Moderate
24.19μg/m³
PM2.5
106.08μg/m³
PM10
33.46ppb
O3
0.21ppb
SO2
4.16ppb
NO2
0.29ppm
CO
AQI 69
Moderate
19.07μg/m³
PM2.5
63.57μg/m³
PM10
44.00ppb
O3
0.21ppb
SO2
4.15ppb
NO2
0.29ppm
CO
AQI 77
Moderate
22.91μg/m³
PM2.5
100.58μg/m³
PM10
35.20ppb
O3
0.23ppb
SO2
4.16ppb
NO2
0.29ppm
CO
AQI 79
Moderate
24.03μg/m³
PM2.5
105.43μg/m³
PM10
34.38ppb
O3
0.20ppb
SO2
4.17ppb
NO2
0.29ppm
CO
AQI 81
Moderate
24.88μg/m³
PM2.5
108.80μg/m³
PM10
30.38ppb
O3
0.22ppb
SO2
4.13ppb
NO2
0.29ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Oak Forest, Illinois are available every hour.
Oak Forest, Illinois experienced its worst air quality at 09:00:00, 2025-06-06.
The best air quality in Oak Forest, Illinois was observed at 10:00:00 on 2025-06-07.
The air quality in Oak Forest, Illinois right now is Moderate, with an AQI of 79.
In Oak Forest, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Oak Forest, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Oak Forest, Illinois currently has a PM2.5 concentration of 23.991 μg/m3.
Oak Forest, Illinois currently has a PM10 concentration of 104.782 μg/m3.
The current carbon monoxide (CO) level in Oak Forest, Illinois is 0.287 ppm.
The current sulfur dioxide (SO2) concentration in Oak Forest, Illinois is 0.257 ppb.
Oak Forest, Illinois currently has an ozone (O3) concentration of 31.417 ppm.
The current level of nitrogen dioxide (NO2) in Oak Forest, Illinois is 5.099 ppb.
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