Stay updated with real-time air quality in Chicago Ridge, 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)
52
Moderate
Chicago Ridge, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.06 μg/m³
0
55
155
255
425
605+
5.97 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
16.73 ppb
0
54
101
361
1250
2050+
0.58 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chicago Ridge, Illinois
Chicago Ridge, Illinois
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AQI 27
Good
4.80μg/m³
PM2.5
20.00μg/m³
PM10
5.06ppb
O3
1.30ppb
SO2
12.82ppb
NO2
0.35ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
19.49μg/m³
PM10
4.99ppb
O3
1.29ppb
SO2
12.72ppb
NO2
0.34ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
20.98μg/m³
PM10
5.06ppb
O3
1.30ppb
SO2
12.82ppb
NO2
0.35ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
19.77μg/m³
PM10
5.06ppb
O3
1.30ppb
SO2
12.86ppb
NO2
0.35ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
19.46μg/m³
PM10
5.04ppb
O3
1.29ppb
SO2
12.54ppb
NO2
0.34ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
19.01μg/m³
PM10
5.09ppb
O3
1.30ppb
SO2
13.17ppb
NO2
0.35ppm
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 Chicago Ridge, Illinois are available every hour.
Chicago Ridge, Illinois experienced its worst air quality at 03:00:00, 2025-10-24.
The best air quality in Chicago Ridge, Illinois was observed at 10:00:00 on 2025-10-23.
The air quality in Chicago Ridge, Illinois right now is Good, with an AQI of 27.
In Chicago Ridge, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Chicago Ridge, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Chicago Ridge, Illinois currently has a PM2.5 concentration of 4.853 μg/m3.
Chicago Ridge, Illinois currently has a PM10 concentration of 20.24 μg/m3.
The current carbon monoxide (CO) level in Chicago Ridge, Illinois is 0.347 ppm.
The current sulfur dioxide (SO2) concentration in Chicago Ridge, Illinois is 1.301 ppb.
Chicago Ridge, Illinois currently has an ozone (O3) concentration of 5.056 ppm.
The current level of nitrogen dioxide (NO2) in Chicago Ridge, Illinois is 12.805 ppb.
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