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)
38
Good
Effingham, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.09 μg/m³
0
55
155
255
425
605+
18.93 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
11.03 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Effingham, Illinois
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AQI 38
Good
7.28μg/m³
PM2.5
22.24μg/m³
PM10
17.49ppb
O3
0.23ppb
SO2
11.09ppb
NO2
0.32ppm
CO
AQI 44
Good
7.58μg/m³
PM2.5
21.79μg/m³
PM10
17.36ppb
O3
0.29ppb
SO2
7.71ppb
NO2
0.32ppm
CO
AQI 33
Good
6.32μg/m³
PM2.5
25.02μg/m³
PM10
16.69ppb
O3
0.20ppb
SO2
10.28ppb
NO2
0.33ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
21.18μg/m³
PM10
16.02ppb
O3
0.31ppb
SO2
5.78ppb
NO2
0.21ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
19.01μg/m³
PM10
13.06ppb
O3
0.29ppb
SO2
11.61ppb
NO2
0.32ppm
CO
AQI 33
Good
6.40μg/m³
PM2.5
28.55μg/m³
PM10
7.39ppb
O3
0.27ppb
SO2
11.15ppb
NO2
0.33ppm
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, 2026-03-06.
The best air quality in Effingham, Illinois was observed at 04:00:00 on 2026-03-05.
The air quality in Effingham, Illinois right now is Good, with an AQI of 38.
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 7.24 μg/m3.
Effingham, Illinois currently has a PM10 concentration of 20.092 μg/m3.
The current carbon monoxide (CO) level in Effingham, Illinois is 0.323 ppm.
The current sulfur dioxide (SO2) concentration in Effingham, Illinois is 0.245 ppb.
Effingham, Illinois currently has an ozone (O3) concentration of 18.931 ppm.
The current level of nitrogen dioxide (NO2) in Effingham, Illinois is 11.034 ppb.
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