Stay updated with real-time air quality in Wilmette, 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)
43
Good
Wilmette, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.19 μg/m³
0
55
155
255
425
605+
46.31 ppb
0
55
71
86
201
201+
0.43 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
Low
Wilmette, Illinois
Wilmette, Illinois
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AQI 61
Moderate
3.69μg/m³
PM2.5
15.23μg/m³
PM10
57.79ppb
O3
0.35ppb
SO2
8.05ppb
NO2
0.20ppm
CO
AQI 51
Moderate
4.17μg/m³
PM2.5
13.94μg/m³
PM10
55.38ppb
O3
0.34ppb
SO2
7.95ppb
NO2
0.20ppm
CO
AQI 51
Moderate
3.97μg/m³
PM2.5
15.71μg/m³
PM10
54.86ppb
O3
0.35ppb
SO2
7.86ppb
NO2
0.20ppm
CO
AQI 49
Good
4.21μg/m³
PM2.5
16.47μg/m³
PM10
52.80ppb
O3
0.34ppb
SO2
7.73ppb
NO2
0.20ppm
CO
AQI 50
Good
3.91μg/m³
PM2.5
16.37μg/m³
PM10
53.55ppb
O3
0.35ppb
SO2
7.76ppb
NO2
0.20ppm
CO
AQI 48
Good
3.95μg/m³
PM2.5
15.37μg/m³
PM10
52.29ppb
O3
0.34ppb
SO2
7.77ppb
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 Wilmette, Illinois are available every hour.
Wilmette, Illinois experienced its worst air quality at 10:00:00, 2026-06-11.
The best air quality in Wilmette, Illinois was observed at 04:00:00 on 2026-06-11.
The air quality in Wilmette, Illinois right now is Moderate, with an AQI of 54.
In Wilmette, Illinois, O3 is the most frequently found pollutant.
When air quality in Wilmette, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Wilmette, Illinois currently has a PM2.5 concentration of 3.922 μg/m3.
Wilmette, Illinois currently has a PM10 concentration of 15.07 μg/m3.
The current carbon monoxide (CO) level in Wilmette, Illinois is 0.205 ppm.
The current sulfur dioxide (SO2) concentration in Wilmette, Illinois is 0.348 ppb.
Wilmette, Illinois currently has an ozone (O3) concentration of 56.14 ppm.
The current level of nitrogen dioxide (NO2) in Wilmette, Illinois is 7.955 ppb.
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