Stay updated with real-time air quality in Sycamore, 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)
82
Moderate
Sycamore, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
26.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
108.93 μg/m³
0
55
155
255
425
605+
49.12 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
1.81 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sycamore, Illinois
Sycamore, Illinois
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AQI 33
Good
6.05μg/m³
PM2.5
23.26μg/m³
PM10
27.72ppb
O3
0.46ppb
SO2
3.77ppb
NO2
0.19ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
25.39μg/m³
PM10
25.82ppb
O3
0.45ppb
SO2
4.27ppb
NO2
0.19ppm
CO
AQI 33
Good
5.88μg/m³
PM2.5
25.66μg/m³
PM10
29.00ppb
O3
0.44ppb
SO2
4.25ppb
NO2
0.18ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
25.06μg/m³
PM10
30.61ppb
O3
0.44ppb
SO2
4.24ppb
NO2
0.18ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
26.71μg/m³
PM10
22.55ppb
O3
0.45ppb
SO2
4.29ppb
NO2
0.19ppm
CO
AQI 33
Good
6.34μg/m³
PM2.5
27.06μg/m³
PM10
23.47ppb
O3
0.45ppb
SO2
4.29ppb
NO2
0.19ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Sycamore, Illinois are available every hour.
Sycamore, Illinois experienced its worst air quality at 01:00:00, 2025-07-19.
The best air quality in Sycamore, Illinois was observed at 04:00:00 on 2025-07-18.
The air quality in Sycamore, Illinois right now is Good, with an AQI of 33.
In Sycamore, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Sycamore, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Sycamore, Illinois currently has a PM2.5 concentration of 5.92 μg/m3.
Sycamore, Illinois currently has a PM10 concentration of 22.917 μg/m3.
The current carbon monoxide (CO) level in Sycamore, Illinois is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in Sycamore, Illinois is 0.546 ppb.
Sycamore, Illinois currently has an ozone (O3) concentration of 26.9 ppm.
The current level of nitrogen dioxide (NO2) in Sycamore, Illinois is 4.456 ppb.
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