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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.45 μg/m³
0
55
155
255
425
605+
29.10 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
6.77 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Palos Hills, Illinois
Palos Hills, Illinois
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AQI 29
Good
4.94μg/m³
PM2.5
21.72μg/m³
PM10
30.68ppb
O3
0.91ppb
SO2
6.24ppb
NO2
0.12ppm
CO
AQI 29
Good
4.92μg/m³
PM2.5
21.61μg/m³
PM10
30.80ppb
O3
0.90ppb
SO2
6.24ppb
NO2
0.12ppm
CO
AQI 30
Good
4.91μg/m³
PM2.5
21.38μg/m³
PM10
32.31ppb
O3
0.88ppb
SO2
6.19ppb
NO2
0.12ppm
CO
AQI 28
Good
4.97μg/m³
PM2.5
21.87μg/m³
PM10
30.40ppb
O3
0.91ppb
SO2
6.25ppb
NO2
0.12ppm
CO
AQI 31
Good
4.92μg/m³
PM2.5
21.42μg/m³
PM10
32.69ppb
O3
0.87ppb
SO2
6.18ppb
NO2
0.11ppm
CO
AQI 31
Good
5.05μg/m³
PM2.5
21.83μg/m³
PM10
33.00ppb
O3
0.88ppb
SO2
6.19ppb
NO2
0.11ppm
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 03:00:00 on 2026-10-05.
In the last 24 hrs, the best air quality in Palos Hills, Illinois was observed at 08:00:00 on 2026-10-05.
The current air quality in Palos Hills, Illinois is 31, categorized as Good based on real-time data.
The most common pollutant in Palos Hills, Illinois is O3.
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 4.949 μg/m3.
The current PM10 concentration at Palos Hills, Illinois is 21.487 μg/m3.
The current carbon monoxide (CO) concentration at Palos Hills, Illinois is 0.115 ppm.
The current sulfur dioxide (SO2) concentration at Palos Hills, Illinois is 0.887 ppb.
The current ozone (O3) concentration at Palos Hills, Illinois is 32.656 ppm.
The current nitrogen dioxide (NO2) concentration at Palos Hills, Illinois is 6.018 ppb.
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