Stay updated with real-time air quality in Macomb, 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)
32
Good
Macomb, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.03 μg/m³
0
55
155
255
425
605+
35.39 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
1.21 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Macomb, Illinois
Macomb, Illinois
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AQI 35
Good
5.39μg/m³
PM2.5
22.95μg/m³
PM10
37.87ppb
O3
0.41ppb
SO2
1.23ppb
NO2
0.18ppm
CO
AQI 71
Moderate
15.17μg/m³
PM2.5
94.62μg/m³
PM10
20.36ppb
O3
0.90ppb
SO2
5.64ppb
NO2
0.21ppm
CO
AQI 34
Good
5.46μg/m³
PM2.5
23.43μg/m³
PM10
37.26ppb
O3
0.38ppb
SO2
1.27ppb
NO2
0.18ppm
CO
AQI 38
Good
7.09μg/m³
PM2.5
30.94μg/m³
PM10
34.34ppb
O3
1.14ppb
SO2
1.66ppb
NO2
0.18ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
25.36μg/m³
PM10
14.27ppb
O3
0.71ppb
SO2
2.57ppb
NO2
0.24ppm
CO
AQI 71
Moderate
19.58μg/m³
PM2.5
85.83μg/m³
PM10
21.66ppb
O3
0.91ppb
SO2
6.79ppb
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 Macomb, Illinois is updated on an hourly basis.
The worst air quality in Macomb, Illinois was recorded at 11:00:00 on 2025-07-13.
The best air quality in Macomb, Illinois was recorded at 04:00:00 on 2025-07-14.
The real-time air quality index in Macomb, Illinois is 32, currently categorized as Good.
The most common pollutant in Macomb, Illinois is O3.
If the air quality in Macomb, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Macomb, Illinois at present are 5.486 μg/m3.
The current PM10 levels in Macomb, Illinois are 23.034 μg/m3.
The current carbon monoxide (CO) level in Macomb, Illinois is 0.188 ppm.
The current sulfur dioxide (SO2) levels in Macomb, Illinois are 0.891 ppb.
The current ozone (O3) levels at Macomb, Illinois is 35.393 ppm.
The current nitrogen dioxide (NO2) levels at Macomb, Illinois is 1.214 ppb.
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