Stay updated with real-time air quality in Algonquin, 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)
60
Moderate
Algonquin, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
63.30 μg/m³
0
55
155
255
425
605+
27.76 ppb
0
55
71
86
201
201+
1.56 ppb
0
36
76
186
605
1005+
2.65 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Algonquin, Illinois
Algonquin, Illinois
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AQI 60
Moderate
14.20μg/m³
PM2.5
63.25μg/m³
PM10
27.78ppb
O3
1.56ppb
SO2
2.64ppb
NO2
0.20ppm
CO
AQI 62
Moderate
14.89μg/m³
PM2.5
66.13μg/m³
PM10
27.58ppb
O3
1.58ppb
SO2
2.59ppb
NO2
0.20ppm
CO
AQI 58
Moderate
13.20μg/m³
PM2.5
59.00μg/m³
PM10
28.00ppb
O3
1.50ppb
SO2
2.75ppb
NO2
0.20ppm
CO
AQI 58
Moderate
13.49μg/m³
PM2.5
60.32μg/m³
PM10
27.93ppb
O3
1.51ppb
SO2
2.73ppb
NO2
0.20ppm
CO
AQI 64
Moderate
16.30μg/m³
PM2.5
72.56μg/m³
PM10
26.62ppb
O3
1.44ppb
SO2
2.67ppb
NO2
0.20ppm
CO
AQI 62
Moderate
14.78μg/m³
PM2.5
60.32μg/m³
PM10
28.05ppb
O3
1.64ppb
SO2
2.62ppb
NO2
0.20ppm
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 Algonquin, Illinois are available every hour.
Algonquin, Illinois experienced its worst air quality at 05:00:00, 2026-08-23.
The best air quality in Algonquin, Illinois was observed at 03:00:00 on 2026-08-23.
The air quality in Algonquin, Illinois right now is Moderate, with an AQI of 60.
In Algonquin, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Algonquin, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Algonquin, Illinois currently has a PM2.5 concentration of 14.215 μg/m3.
Algonquin, Illinois currently has a PM10 concentration of 63.302 μg/m3.
The current carbon monoxide (CO) level in Algonquin, Illinois is 0.199 ppm.
The current sulfur dioxide (SO2) concentration in Algonquin, Illinois is 1.557 ppb.
Algonquin, Illinois currently has an ozone (O3) concentration of 27.764 ppm.
The current level of nitrogen dioxide (NO2) in Algonquin, Illinois is 2.646 ppb.
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