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)
99
Moderate
Galesburg, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
34.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
151.62 μg/m³
0
55
155
255
425
605+
29.98 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Galesburg, Illinois
Galesburg, Illinois
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AQI 114
Unhealthy for sensitive groups
39.59μg/m³
PM2.5
181.10μg/m³
PM10
47.25ppb
O3
0.66ppb
SO2
4.97ppb
NO2
0.32ppm
CO
AQI 97
Moderate
33.53μg/m³
PM2.5
99.10μg/m³
PM10
43.70ppb
O3
0.43ppb
SO2
4.82ppb
NO2
0.38ppm
CO
AQI 97
Moderate
34.17μg/m³
PM2.5
147.01μg/m³
PM10
29.59ppb
O3
0.49ppb
SO2
4.56ppb
NO2
0.22ppm
CO
AQI 99
Moderate
34.71μg/m³
PM2.5
150.27μg/m³
PM10
52.87ppb
O3
0.35ppb
SO2
4.36ppb
NO2
0.30ppm
CO
AQI 105
Unhealthy for sensitive groups
36.75μg/m³
PM2.5
160.73μg/m³
PM10
53.95ppb
O3
0.36ppb
SO2
4.36ppb
NO2
0.30ppm
CO
AQI 88
Moderate
29.16μg/m³
PM2.5
127.09μg/m³
PM10
24.36ppb
O3
0.32ppb
SO2
4.47ppb
NO2
0.21ppm
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 2025-06-05.
The best air quality in Galesburg, Illinois was recorded at 10:00:00 on 2025-06-05.
The real-time air quality index in Galesburg, Illinois is 99, currently categorized as Moderate.
The most common pollutant in Galesburg, Illinois is PM10.
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 34.497 μg/m3.
The current PM10 levels in Galesburg, Illinois are 151.615 μg/m3.
The current carbon monoxide (CO) level in Galesburg, Illinois is 0.241 ppm.
The current sulfur dioxide (SO2) levels in Galesburg, Illinois are 0.685 ppb.
The current ozone (O3) levels at Galesburg, Illinois is 29.98 ppm.
The current nitrogen dioxide (NO2) levels at Galesburg, Illinois is 4.871 ppb.
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