Air Quality in Winnetka, United States

Windy
21.4°C · 42.9% humidity
21.4°
Feels 21.4°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
118 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 11am
15
15
17 2pm
15
0
0 5pm
0
0
0 8pm
0
0
0 11pm
15
15
15 2am
15
15
15 5am
15
15
15 8am
15
15
Station readings
12
17
12
12
CAMS model adj -39
54
54
54
54
54
34
34
27
27
27
27
34
34
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

40h · 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.

42.9%
Humidity
52.6 km/h
Wind S
1011.6 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
17
4.01 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

40h · 1 station
PM2.54.01 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
4.01
Median
4.02
Average
2.84
Low
7.9
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +6.8
05-29
34.1° 19.1°
05-30
21.7° 15.7°
05-31
32.4° 19.5°
06-01
33.7° 17.1°
06-02
32.4° 15.7°
06-03
32.1° 14.8°
06-04
27.4° 18.3°
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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 2026-05-29T21:38 UTC.