Air Quality in Winnetka, United States

Clear
30.7°C · 28.6% humidity
30.7°
Feels 30.7°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
32 8pm
44
44
23 11pm
29
33
36 2am
38
40
41 5am
42
43
43 8am
43
43
44 11am
32
32
32 2pm
32
32
32 5pm
32
32
Station readings
50
29
29
CAMS model adj -22
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

Winnetka's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

28.6%
Humidity
32.2 km/h
Wind S
1010.3 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
23
5.5 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.5 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
5.5
Median
5.5
Average
5.5
Low
5.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +10.9
08-03
36.0° 24.4°
08-04
32.5° 25.6°
08-05
36.3° 24.3°
08-06
37.4° 20.0°
08-07
30.8° 24.4°
08-08
33.8° 20.8°
08-09
32.8° 18.9°
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:44 UTC.