Stay updated with real-time air quality in Columbia, 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)
52
Moderate
Columbia, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.92 μg/m³
0
55
155
255
425
605+
33.66 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
5.84 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Columbia, Illinois
Columbia, Illinois
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AQI 33
Good
6.05μg/m³
PM2.5
26.88μg/m³
PM10
27.79ppb
O3
0.71ppb
SO2
6.18ppb
NO2
0.30ppm
CO
AQI 44
Good
8.25μg/m³
PM2.5
36.59μg/m³
PM10
29.20ppb
O3
0.62ppb
SO2
7.42ppb
NO2
0.30ppm
CO
AQI 58
Moderate
13.45μg/m³
PM2.5
57.09μg/m³
PM10
32.23ppb
O3
0.76ppb
SO2
7.62ppb
NO2
0.30ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
34.67μg/m³
PM10
28.79ppb
O3
0.62ppb
SO2
7.14ppb
NO2
0.30ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
38.97μg/m³
PM10
29.66ppb
O3
0.60ppb
SO2
8.54ppb
NO2
0.30ppm
CO
AQI 22
Good
1.56μg/m³
PM2.5
6.63μg/m³
PM10
24.30ppb
O3
0.72ppb
SO2
3.80ppb
NO2
0.30ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Columbia, Illinois is updated every hour.
The worst air quality in Columbia, Illinois in the last 24 hours was observed at 01:00:00 on 2025-06-06.
In the last 24 hrs, the best air quality in Columbia, Illinois was observed at 01:00:00 on 2025-06-06.
The current air quality in Columbia, Illinois is 52, categorized as Moderate based on real-time data.
The most common pollutant in Columbia, Illinois is PM2.5.
If the air quality in Columbia, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Columbia, Illinois is 9.843 μg/m3.
The current PM10 concentration at Columbia, Illinois is 35.922 μg/m3.
The current carbon monoxide (CO) concentration at Columbia, Illinois is 0.303 ppm.
The current sulfur dioxide (SO2) concentration at Columbia, Illinois is 0.578 ppb.
The current ozone (O3) concentration at Columbia, Illinois is 33.655 ppm.
The current nitrogen dioxide (NO2) concentration at Columbia, Illinois is 5.842 ppb.
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