Stay updated with real-time air quality in Hazel Crest, 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)
86
Moderate
Hazel Crest, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
28.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
121.81 μg/m³
0
55
155
255
425
605+
45.56 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
1.94 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hazel Crest, Illinois
Hazel Crest, Illinois
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AQI 86
Moderate
28.41μg/m³
PM2.5
123.66μg/m³
PM10
37.35ppb
O3
0.93ppb
SO2
1.90ppb
NO2
0.24ppm
CO
AQI 88
Moderate
28.96μg/m³
PM2.5
125.33μg/m³
PM10
41.24ppb
O3
0.92ppb
SO2
2.00ppb
NO2
0.23ppm
CO
AQI 86
Moderate
28.05μg/m³
PM2.5
121.42μg/m³
PM10
39.53ppb
O3
0.90ppb
SO2
1.89ppb
NO2
0.24ppm
CO
AQI 90
Moderate
29.88μg/m³
PM2.5
129.23μg/m³
PM10
40.92ppb
O3
0.94ppb
SO2
2.05ppb
NO2
0.23ppm
CO
AQI 88
Moderate
28.58μg/m³
PM2.5
123.80μg/m³
PM10
41.29ppb
O3
0.91ppb
SO2
2.00ppb
NO2
0.23ppm
CO
AQI 90
Moderate
30.12μg/m³
PM2.5
130.04μg/m³
PM10
40.98ppb
O3
0.95ppb
SO2
2.00ppb
NO2
0.23ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Hazel Crest, Illinois is updated on an hourly basis.
The worst air quality in Hazel Crest, Illinois was recorded at 09:00:00 on 2025-07-22.
The best air quality in Hazel Crest, Illinois was recorded at 03:00:00 on 2025-07-22.
The real-time air quality index in Hazel Crest, Illinois is 88, currently categorized as Moderate.
The most common pollutant in Hazel Crest, Illinois is PM2.5.
If the air quality in Hazel Crest, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hazel Crest, Illinois at present are 28.65 μg/m3.
The current PM10 levels in Hazel Crest, Illinois are 124.046 μg/m3.
The current carbon monoxide (CO) level in Hazel Crest, Illinois is 0.232 ppm.
The current sulfur dioxide (SO2) levels in Hazel Crest, Illinois are 0.91 ppb.
The current ozone (O3) levels at Hazel Crest, Illinois is 41.261 ppm.
The current nitrogen dioxide (NO2) levels at Hazel Crest, Illinois is 1.994 ppb.
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