Stay updated with real-time air quality in Lincoln, 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)
54
Moderate
Lincoln, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.31 μg/m³
0
55
155
255
425
605+
24.65 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.63 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lincoln, Illinois
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AQI 54
Moderate
10.79μg/m³
PM2.5
47.96μg/m³
PM10
27.98ppb
O3
0.54ppb
SO2
4.73ppb
NO2
0.21ppm
CO
AQI 49
Good
8.73μg/m³
PM2.5
38.12μg/m³
PM10
24.00ppb
O3
0.45ppb
SO2
4.55ppb
NO2
0.21ppm
CO
AQI 60
Moderate
13.67μg/m³
PM2.5
60.88μg/m³
PM10
28.92ppb
O3
0.42ppb
SO2
4.68ppb
NO2
0.23ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
38.01μg/m³
PM10
24.00ppb
O3
0.45ppb
SO2
4.56ppb
NO2
0.21ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
25.76μg/m³
PM10
23.50ppb
O3
0.51ppb
SO2
4.46ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
25.83μg/m³
PM10
23.09ppb
O3
0.44ppb
SO2
4.47ppb
NO2
0.17ppm
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 Lincoln, Illinois is updated every hour.
The worst air quality in Lincoln, Illinois in the last 24 hours was observed at 10:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Lincoln, Illinois was observed at 08:00:00 on 2026-06-08.
The current air quality in Lincoln, Illinois is 54, categorized as Moderate based on real-time data.
The most common pollutant in Lincoln, Illinois is PM2.5.
If the air quality in Lincoln, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Lincoln, Illinois is 10.76 μg/m3.
The current PM10 concentration at Lincoln, Illinois is 35.314 μg/m3.
The current carbon monoxide (CO) concentration at Lincoln, Illinois is 0.206 ppm.
The current sulfur dioxide (SO2) concentration at Lincoln, Illinois is 0.561 ppb.
The current ozone (O3) concentration at Lincoln, Illinois is 24.648 ppm.
The current nitrogen dioxide (NO2) concentration at Lincoln, Illinois is 4.625 ppb.
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