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)
44
Good
Galesburg, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.09 μg/m³
0
55
155
255
425
605+
29.89 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
0.58 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Galesburg, Illinois
Galesburg, Illinois
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AQI 56
Moderate
11.77μg/m³
PM2.5
29.85μg/m³
PM10
20.81ppb
O3
0.56ppb
SO2
2.90ppb
NO2
0.17ppm
CO
AQI 58
Moderate
13.04μg/m³
PM2.5
38.46μg/m³
PM10
23.77ppb
O3
0.62ppb
SO2
2.19ppb
NO2
0.18ppm
CO
AQI 44
Good
7.84μg/m³
PM2.5
34.04μg/m³
PM10
26.16ppb
O3
0.16ppb
SO2
2.95ppb
NO2
0.19ppm
CO
AQI 64
Moderate
15.54μg/m³
PM2.5
68.24μg/m³
PM10
22.39ppb
O3
0.57ppb
SO2
3.26ppb
NO2
0.20ppm
CO
AQI 66
Moderate
16.85μg/m³
PM2.5
74.75μg/m³
PM10
22.98ppb
O3
0.57ppb
SO2
3.19ppb
NO2
0.20ppm
CO
AQI 38
Good
7.06μg/m³
PM2.5
31.13μg/m³
PM10
18.59ppb
O3
0.15ppb
SO2
2.91ppb
NO2
0.20ppm
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 02:00:00 on 2025-09-05.
The best air quality in Galesburg, Illinois was recorded at 06:00:00 on 2025-09-05.
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 8.108 μg/m3.
The current PM10 levels in Galesburg, Illinois are 35.086 μg/m3.
The current carbon monoxide (CO) level in Galesburg, Illinois is 0.153 ppm.
The current sulfur dioxide (SO2) levels in Galesburg, Illinois are 0.148 ppb.
The current ozone (O3) levels at Galesburg, Illinois is 29.886 ppm.
The current nitrogen dioxide (NO2) levels at Galesburg, Illinois is 0.585 ppb.
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