What is the air quality in Winnetka today?

The current Air Quality Index (AQI) in Winnetka is 42 (Good). PM2.5 concentration is 10.05 µg/m³.

What is the temperature in Winnetka right now?

The current temperature in Winnetka is 32.1°C (feels like 32.1°C). Humidity is 8.0% and wind speed is 11.5 km/h.

Is it safe to go outside in Winnetka?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Winnetka, United States

Clear

32.1°C · 8.0% humidity

32.1°

Feels 32.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

121 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

48h · 1 stn

View full history →

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.

8.0%

Humidity

11.5 km/h

Wind SSW

1016.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.05 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Winnetka?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.510.05 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (121 stations within 25 km)

10.05

Median

10.06

Average

4.23

Low

17.3

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.5

What is the 7-day forecast for Winnetka?

10-20

32.1° 24.1°

10-21

28.2° 20.2°

10-22

31.8° 21.3°

10-23

23.2° 21.0°

10-24

25.7° 18.1°

0.25 mm

10-25

27.0° 14.9°

0.56 mm

10-26

29.0° 18.9°

1.13 mm

Both models agree Avg diff: 7.1°C

Where are air quality stations near Winnetka?

Sunny Brae ES (6986)

0.9 km PM2.5: 9.6 µg/m³

Mosk ES (7402)

1.1 km PM2.5: 8.3 µg/m³

Hart St ES (4445)

2.6 km PM2.5: 3.7 µg/m³

Napa ES (5446)

2.6 km PM2.5: 9.2 µg/m³

Reseda ES (6233)

3.3 km PM2.5: 10.0 µg/m³

Nevada ES (5459)

3.5 km PM2.5: 10.1 µg/m³

Calvert ES (2712)

3.6 km PM2.5: 8.9 µg/m³

Columbus MS (8102)

3.7 km PM2.5: 8.6 µg/m³

Reseda, Los Angeles

3.9 km PM2.5: 11.3 µg/m³

Vanalden ES (7411)

4.1 km PM2.5: 9.7 µg/m³

What cities are near Winnetka?

41 Canoga Park 47 Reseda 43 Northridge 38 Chatsworth 39 Woodland Hills 38 West Hills 47 North Hills 42 Calabasas 44 Encino 35 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 2026-10-20T20:56 UTC.