Stay updated with real-time air quality in Galesburg, 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)
49
Good
Galesburg, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.20 μg/m³
0
55
155
255
425
605+
36.77 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
1.24 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Galesburg, Illinois
Galesburg, Illinois
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AQI 58
Moderate
13.40μg/m³
PM2.5
44.06μg/m³
PM10
36.26ppb
O3
0.72ppb
SO2
2.29ppb
NO2
0.17ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
28.96μg/m³
PM10
23.82ppb
O3
0.95ppb
SO2
5.29ppb
NO2
0.17ppm
CO
AQI 32
Good
5.12μg/m³
PM2.5
21.99μg/m³
PM10
34.99ppb
O3
0.21ppb
SO2
1.07ppb
NO2
0.17ppm
CO
AQI 73
Moderate
21.15μg/m³
PM2.5
89.94μg/m³
PM10
27.14ppb
O3
0.72ppb
SO2
2.35ppb
NO2
0.20ppm
CO
AQI 77
Moderate
22.63μg/m³
PM2.5
98.64μg/m³
PM10
25.11ppb
O3
0.72ppb
SO2
2.38ppb
NO2
0.20ppm
CO
AQI 32
Good
5.47μg/m³
PM2.5
23.68μg/m³
PM10
35.46ppb
O3
0.26ppb
SO2
1.53ppb
NO2
0.19ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Galesburg, Illinois is updated on an hourly basis.
The worst air quality in Galesburg, Illinois was recorded at 01:00:00 on 2025-07-21.
The best air quality in Galesburg, Illinois was recorded at 06:00:00 on 2025-07-21.
The real-time air quality index in Galesburg, Illinois is 44, currently categorized as Good.
The most common pollutant in Galesburg, Illinois is PM2.5.
If the air quality in Galesburg, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Galesburg, Illinois at present are 8.33 μg/m3.
The current PM10 levels in Galesburg, Illinois are 33.455 μg/m3.
The current carbon monoxide (CO) level in Galesburg, Illinois is 0.188 ppm.
The current sulfur dioxide (SO2) levels in Galesburg, Illinois are 0.581 ppb.
The current ozone (O3) levels at Galesburg, Illinois is 37.259 ppm.
The current nitrogen dioxide (NO2) levels at Galesburg, Illinois is 1.471 ppb.
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