Stay updated with real-time air quality in Effingham, 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)
22
Good
Effingham, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.64 μg/m³
0
55
155
255
425
605+
19.95 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
5.65 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Effingham, Illinois
Effingham, Illinois
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AQI 54
Moderate
11.39μg/m³
PM2.5
46.50μg/m³
PM10
29.20ppb
O3
0.80ppb
SO2
2.41ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.49μg/m³
PM2.5
37.36μg/m³
PM10
30.73ppb
O3
0.80ppb
SO2
1.61ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.55μg/m³
PM2.5
53.62μg/m³
PM10
28.24ppb
O3
0.73ppb
SO2
2.40ppb
NO2
0.16ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
41.94μg/m³
PM10
36.60ppb
O3
0.63ppb
SO2
1.45ppb
NO2
0.18ppm
CO
AQI 39
Good
6.68μg/m³
PM2.5
30.01μg/m³
PM10
42.44ppb
O3
0.46ppb
SO2
0.99ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.13μg/m³
PM2.5
47.57μg/m³
PM10
30.75ppb
O3
0.62ppb
SO2
2.38ppb
NO2
0.21ppm
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 Effingham, Illinois are available every hour.
Effingham, Illinois experienced its worst air quality at 11:00:00, 2025-07-20.
The best air quality in Effingham, Illinois was observed at 10:00:00 on 2025-07-19.
The air quality in Effingham, Illinois right now is Moderate, with an AQI of 54.
In Effingham, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Effingham, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Effingham, Illinois currently has a PM2.5 concentration of 11.36 μg/m3.
Effingham, Illinois currently has a PM10 concentration of 45.242 μg/m3.
The current carbon monoxide (CO) level in Effingham, Illinois is 0.226 ppm.
The current sulfur dioxide (SO2) concentration in Effingham, Illinois is 0.728 ppb.
Effingham, Illinois currently has an ozone (O3) concentration of 21.138 ppm.
The current level of nitrogen dioxide (NO2) in Effingham, Illinois is 2.386 ppb.
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