Stay updated with real-time air quality in Addison, 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)
44
Good
Addison, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.82 μg/m³
0
55
155
255
425
605+
23.39 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
4.33 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Addison, Illinois
Addison, Illinois
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AQI 44
Good
8.33μg/m³
PM2.5
37.80μg/m³
PM10
18.95ppb
O3
0.46ppb
SO2
4.33ppb
NO2
0.17ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
37.00μg/m³
PM10
20.28ppb
O3
0.53ppb
SO2
3.96ppb
NO2
0.17ppm
CO
AQI 49
Good
9.48μg/m³
PM2.5
42.45μg/m³
PM10
15.08ppb
O3
0.49ppb
SO2
4.29ppb
NO2
0.17ppm
CO
AQI 49
Good
9.19μg/m³
PM2.5
40.79μg/m³
PM10
17.54ppb
O3
0.52ppb
SO2
4.09ppb
NO2
0.17ppm
CO
AQI 38
Good
7.21μg/m³
PM2.5
31.82μg/m³
PM10
21.62ppb
O3
0.53ppb
SO2
3.88ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.52μg/m³
PM2.5
40.02μg/m³
PM10
21.30ppb
O3
0.45ppb
SO2
4.27ppb
NO2
0.17ppm
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 Addison, Illinois are available every hour.
Addison, Illinois experienced its worst air quality at 07:00:00, 2026-04-27.
The best air quality in Addison, Illinois was observed at 03:00:00 on 2026-04-27.
The air quality in Addison, Illinois right now is Good, with an AQI of 44.
In Addison, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Addison, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Addison, Illinois currently has a PM2.5 concentration of 8.2 μg/m3.
Addison, Illinois currently has a PM10 concentration of 32.818 μg/m3.
The current carbon monoxide (CO) level in Addison, Illinois is 0.169 ppm.
The current sulfur dioxide (SO2) concentration in Addison, Illinois is 0.457 ppb.
Addison, Illinois currently has an ozone (O3) concentration of 23.389 ppm.
The current level of nitrogen dioxide (NO2) in Addison, Illinois is 4.333 ppb.
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