Stay updated with real-time air quality in Palos Hills, 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)
77
Moderate
Palos Hills, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
102.25 μg/m³
0
55
155
255
425
605+
28.45 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
29.25 ppb
0
54
101
361
1250
2050+
0.49 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Palos Hills, Illinois
Palos Hills, Illinois
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AQI 66
Moderate
17.27μg/m³
PM2.5
76.49μg/m³
PM10
30.73ppb
O3
0.97ppb
SO2
23.30ppb
NO2
0.38ppm
CO
AQI 66
Moderate
17.39μg/m³
PM2.5
77.03μg/m³
PM10
30.72ppb
O3
0.97ppb
SO2
23.32ppb
NO2
0.38ppm
CO
AQI 75
Moderate
21.93μg/m³
PM2.5
96.50μg/m³
PM10
30.39ppb
O3
0.97ppb
SO2
23.20ppb
NO2
0.38ppm
CO
AQI 66
Moderate
16.70μg/m³
PM2.5
74.07μg/m³
PM10
30.77ppb
O3
0.96ppb
SO2
23.28ppb
NO2
0.38ppm
CO
AQI 77
Moderate
23.02μg/m³
PM2.5
101.18μg/m³
PM10
30.30ppb
O3
0.97ppb
SO2
23.19ppb
NO2
0.38ppm
CO
AQI 75
Moderate
21.58μg/m³
PM2.5
95.20μg/m³
PM10
30.10ppb
O3
0.97ppb
SO2
23.88ppb
NO2
0.38ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Palos Hills, Illinois is updated every hour.
The worst air quality in Palos Hills, Illinois in the last 24 hours was observed at 11:00:00 on 2025-11-14.
In the last 24 hrs, the best air quality in Palos Hills, Illinois was observed at 10:00:00 on 2025-11-14.
The current air quality in Palos Hills, Illinois is 71, categorized as Moderate based on real-time data.
The most common pollutant in Palos Hills, Illinois is PM2.5.
If the air quality in Palos Hills, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Palos Hills, Illinois is 20.481 μg/m3.
The current PM10 concentration at Palos Hills, Illinois is 90.264 μg/m3.
The current carbon monoxide (CO) concentration at Palos Hills, Illinois is 0.376 ppm.
The current sulfur dioxide (SO2) concentration at Palos Hills, Illinois is 0.972 ppb.
The current ozone (O3) concentration at Palos Hills, Illinois is 30.534 ppm.
The current nitrogen dioxide (NO2) concentration at Palos Hills, Illinois is 23.138 ppb.
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