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)
49
Good
Lincoln, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.82 μg/m³
0
55
155
255
425
605+
35.59 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.45 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lincoln, Illinois
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AQI 44
Good
7.50μg/m³
PM2.5
33.00μg/m³
PM10
33.99ppb
O3
0.60ppb
SO2
4.26ppb
NO2
0.21ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
30.00μg/m³
PM10
33.49ppb
O3
0.56ppb
SO2
4.39ppb
NO2
0.22ppm
CO
AQI 44
Good
8.28μg/m³
PM2.5
36.89μg/m³
PM10
25.12ppb
O3
0.52ppb
SO2
4.24ppb
NO2
0.21ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
30.00μg/m³
PM10
33.52ppb
O3
0.55ppb
SO2
4.39ppb
NO2
0.22ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
26.76μg/m³
PM10
34.11ppb
O3
0.74ppb
SO2
4.31ppb
NO2
0.20ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
25.06μg/m³
PM10
34.09ppb
O3
0.72ppb
SO2
4.32ppb
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 08:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Lincoln, Illinois was observed at 03:00:00 on 2026-03-09.
The current air quality in Lincoln, Illinois is 49, categorized as Good 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 8.573 μg/m3.
The current PM10 concentration at Lincoln, Illinois is 32.822 μg/m3.
The current carbon monoxide (CO) concentration at Lincoln, Illinois is 0.24 ppm.
The current sulfur dioxide (SO2) concentration at Lincoln, Illinois is 0.592 ppb.
The current ozone (O3) concentration at Lincoln, Illinois is 35.592 ppm.
The current nitrogen dioxide (NO2) concentration at Lincoln, Illinois is 4.447 ppb.
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