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)
48
Good
Lincoln, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.37 μg/m³
0
55
155
255
425
605+
51.58 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
3.25 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lincoln, Illinois
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AQI 46
Good
7.20μg/m³
PM2.5
32.03μg/m³
PM10
50.03ppb
O3
0.93ppb
SO2
3.28ppb
NO2
0.18ppm
CO
AQI 54
Moderate
7.23μg/m³
PM2.5
32.14μg/m³
PM10
55.95ppb
O3
0.88ppb
SO2
3.12ppb
NO2
0.18ppm
CO
AQI 54
Moderate
7.49μg/m³
PM2.5
32.97μg/m³
PM10
56.03ppb
O3
0.89ppb
SO2
3.25ppb
NO2
0.15ppm
CO
AQI 54
Moderate
7.20μg/m³
PM2.5
32.01μg/m³
PM10
56.00ppb
O3
0.88ppb
SO2
3.12ppb
NO2
0.18ppm
CO
AQI 47
Good
7.97μg/m³
PM2.5
39.99μg/m³
PM10
50.58ppb
O3
0.75ppb
SO2
3.11ppb
NO2
0.20ppm
CO
AQI 49
Good
8.81μg/m³
PM2.5
47.93μg/m³
PM10
52.93ppb
O3
0.73ppb
SO2
3.13ppb
NO2
0.20ppm
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 05:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Lincoln, Illinois was observed at 01:00:00 on 2026-10-22.
The current air quality in Lincoln, Illinois is 48, categorized as Good based on real-time data.
The most common pollutant in Lincoln, Illinois is O3.
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 8.079 μg/m3.
The current PM10 concentration at Lincoln, Illinois is 37.371 μg/m3.
The current carbon monoxide (CO) concentration at Lincoln, Illinois is 0.167 ppm.
The current sulfur dioxide (SO2) concentration at Lincoln, Illinois is 0.979 ppb.
The current ozone (O3) concentration at Lincoln, Illinois is 51.577 ppm.
The current nitrogen dioxide (NO2) concentration at Lincoln, Illinois is 3.252 ppb.
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