Stay updated with real-time air quality in Harvey, 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)
54
Moderate
Harvey, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.98 μg/m³
0
55
155
255
425
605+
22.84 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
6.39 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Harvey, Illinois
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AQI 49
Good
8.58μg/m³
PM2.5
38.88μg/m³
PM10
24.06ppb
O3
0.50ppb
SO2
7.39ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.44μg/m³
PM2.5
50.90μg/m³
PM10
24.66ppb
O3
0.51ppb
SO2
8.91ppb
NO2
0.20ppm
CO
AQI 49
Good
9.25μg/m³
PM2.5
41.20μg/m³
PM10
23.04ppb
O3
0.50ppb
SO2
7.14ppb
NO2
0.20ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
41.77μg/m³
PM10
26.07ppb
O3
0.51ppb
SO2
7.93ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.63μg/m³
PM2.5
44.99μg/m³
PM10
25.81ppb
O3
0.50ppb
SO2
7.96ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.82μg/m³
PM2.5
43.93μg/m³
PM10
23.27ppb
O3
0.50ppb
SO2
7.37ppb
NO2
0.20ppm
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 Harvey, Illinois are available every hour.
Harvey, Illinois experienced its worst air quality at 05:00:00, 2026-03-10.
The best air quality in Harvey, Illinois was observed at 03:00:00 on 2026-03-10.
The air quality in Harvey, Illinois right now is Moderate, with an AQI of 54.
In Harvey, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Harvey, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Harvey, Illinois currently has a PM2.5 concentration of 10.731 μg/m3.
Harvey, Illinois currently has a PM10 concentration of 47.976 μg/m3.
The current carbon monoxide (CO) level in Harvey, Illinois is 0.199 ppm.
The current sulfur dioxide (SO2) concentration in Harvey, Illinois is 0.712 ppb.
Harvey, Illinois currently has an ozone (O3) concentration of 22.839 ppm.
The current level of nitrogen dioxide (NO2) in Harvey, Illinois is 6.386 ppb.
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