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)
56
Moderate
Effingham, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.37 μg/m³
0
55
155
255
425
605+
24.02 ppb
0
55
71
86
201
201+
1.18 ppb
0
36
76
186
605
1005+
6.05 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Effingham, Illinois
Effingham, Illinois
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AQI 58
Moderate
12.81μg/m³
PM2.5
50.84μg/m³
PM10
22.68ppb
O3
1.05ppb
SO2
6.16ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
51.78μg/m³
PM10
22.38ppb
O3
1.04ppb
SO2
6.07ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.77μg/m³
PM2.5
50.63μg/m³
PM10
25.71ppb
O3
0.99ppb
SO2
6.02ppb
NO2
0.24ppm
CO
AQI 44
Good
7.60μg/m³
PM2.5
33.61μg/m³
PM10
29.01ppb
O3
0.73ppb
SO2
3.50ppb
NO2
0.21ppm
CO
AQI 60
Moderate
14.47μg/m³
PM2.5
64.85μg/m³
PM10
23.02ppb
O3
1.00ppb
SO2
5.92ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
49.20μg/m³
PM10
27.19ppb
O3
1.15ppb
SO2
6.10ppb
NO2
0.26ppm
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 02:00:00, 2026-07-13.
The best air quality in Effingham, Illinois was observed at 04:00:00 on 2026-07-13.
The air quality in Effingham, Illinois right now is Moderate, with an AQI of 56.
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 12.295 μg/m3.
Effingham, Illinois currently has a PM10 concentration of 41.366 μg/m3.
The current carbon monoxide (CO) level in Effingham, Illinois is 0.268 ppm.
The current sulfur dioxide (SO2) concentration in Effingham, Illinois is 1.178 ppb.
Effingham, Illinois currently has an ozone (O3) concentration of 24.016 ppm.
The current level of nitrogen dioxide (NO2) in Effingham, Illinois is 6.054 ppb.
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