Stay updated with real-time air quality in Shiloh, 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)
21
Good
Shiloh, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.84 μg/m³
0
55
155
255
425
605+
22.99 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
3.69 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Shiloh, Illinois
Shiloh, Illinois
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AQI 22
Good
2.79μg/m³
PM2.5
16.57μg/m³
PM10
23.77ppb
O3
0.63ppb
SO2
1.83ppb
NO2
0.17ppm
CO
AQI 23
Good
2.72μg/m³
PM2.5
19.07μg/m³
PM10
24.83ppb
O3
0.62ppb
SO2
2.05ppb
NO2
0.17ppm
CO
AQI 22
Good
2.78μg/m³
PM2.5
19.11μg/m³
PM10
24.29ppb
O3
0.61ppb
SO2
2.04ppb
NO2
0.17ppm
CO
AQI 22
Good
2.74μg/m³
PM2.5
19.18μg/m³
PM10
23.87ppb
O3
0.63ppb
SO2
1.83ppb
NO2
0.17ppm
CO
AQI 23
Good
3.13μg/m³
PM2.5
16.39μg/m³
PM10
24.87ppb
O3
0.60ppb
SO2
2.04ppb
NO2
0.17ppm
CO
AQI 23
Good
3.12μg/m³
PM2.5
15.25μg/m³
PM10
24.69ppb
O3
0.60ppb
SO2
2.04ppb
NO2
0.17ppm
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 Shiloh, Illinois are available every hour.
Shiloh, Illinois experienced its worst air quality at 12:00:00, 2025-10-22.
The best air quality in Shiloh, Illinois was observed at 09:00:00 on 2025-10-22.
The air quality in Shiloh, Illinois right now is Good, with an AQI of 21.
In Shiloh, Illinois, O3 is the most frequently found pollutant.
When air quality in Shiloh, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Shiloh, Illinois currently has a PM2.5 concentration of 2.456 μg/m3.
Shiloh, Illinois currently has a PM10 concentration of 14.84 μg/m3.
The current carbon monoxide (CO) level in Shiloh, Illinois is 0.154 ppm.
The current sulfur dioxide (SO2) concentration in Shiloh, Illinois is 0.545 ppb.
Shiloh, Illinois currently has an ozone (O3) concentration of 22.993 ppm.
The current level of nitrogen dioxide (NO2) in Shiloh, Illinois is 3.685 ppb.
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