Air Quality in Winnetka, United States

Windy
33.2°C · 23.3% humidity
33.2°
Feels 33.2°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
116 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 11am
30
30
34 2pm
30
30
30 5pm
30
30
30 8pm
30
30
30 11pm
30
30
30 2am
30
42
42 5am
42
42
42 8am
42
30
Station readings
38
33
25
CAMS model adj -24
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
66
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.

23.3%
Humidity
46.9 km/h
Wind S
1005.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
34
8.14 µg/m³
PM10▲
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Winnetka?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.58.14 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (116 stations within 25 km)
8.14
Median
9.01
Average
2.99
Low
34.9
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +8.2

What is the 7-day forecast for Winnetka?

07-21
30.8° 26.9°
07-22
33.2° 25.7°
07-23
34.0° 25.5°
1.25 mm
07-24
35.1° 25.4°
0.13 mm
07-25
34.4° 25.9°
07-26
36.7° 23.3°
07-27
34.9° 26.5°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Winnetka?

35
Sunny Brae ES (6986)
0.9 km PM2.5: 8.5 µg/m³
30
Mosk ES (7402)
1.1 km PM2.5: 7.2 µg/m³
16
Hart St ES (4445)
2.6 km PM2.5: 3.8 µg/m³
34
Napa ES (5446)
2.6 km PM2.5: 8.2 µg/m³
37
Reseda ES (6233)
3.3 km PM2.5: 8.9 µg/m³
36
Nevada ES (5459)
3.5 km PM2.5: 8.6 µg/m³
36
Calvert ES (2712)
3.6 km PM2.5: 8.6 µg/m³
32
Columbus MS (8102)
3.7 km PM2.5: 7.7 µg/m³
60
Reseda, Los Angeles
3.9 km PM2.5: 16.4 µg/m³
72
Reseda, Los Angeles
3.9 km PM2.5: 22.1 µg/m³

What cities are near Winnetka?

27 Canoga Park 45 Reseda 36 Northridge 31 Chatsworth 34 Woodland Hills 32 West Hills 36 North Hills 35 Calabasas 40 Encino 28 Van Nuys
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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 2026-07-21T21:38 UTC.