Air Quality in Winnetka, United States

Partly Cloudy
28.8°C · 51.9% humidity
28.8°
Feels 31.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
119 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 8am
38
26
42 11am
37
34
32 2pm
30
29
28 5pm
28
27
27 8pm
27
26
26 11pm
26
26
26 2am
26
38
38 5am
26
26
Station readings
46
29
17
CAMS model adj -28
66
66
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
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.

51.9%
Humidity
24.4 km/h
Wind SSW
1016.3 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
42
10.16 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Winnetka?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.510.16 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX19.9
Extreme
AD 300×250
Station readings (119 stations within 25 km)
10.16
Median
9.98
Average
3.78
Low
18.46
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +10.1

What is the 7-day forecast for Winnetka?

09-05
31.4° 25.6°
09-06
37.1° 23.5°
09-07
37.6° 22.8°
09-08
34.0° 19.5°
09-09
36.6° 20.4°
09-10
34.9° 18.9°
09-11
42.2° 21.9°
Both models agree Avg diff: 5.3°C

Where are air quality stations near Winnetka?

45
Sunny Brae ES (6986)
0.9 km PM2.5: 10.8 µg/m³
41
Mosk ES (7402)
1.1 km PM2.5: 9.9 µg/m³
16
Hart St ES (4445)
2.6 km PM2.5: 3.8 µg/m³
48
Napa ES (5446)
2.6 km PM2.5: 11.4 µg/m³
49
Reseda ES (6233)
3.3 km PM2.5: 11.7 µg/m³
47
Nevada ES (5459)
3.5 km PM2.5: 11.3 µg/m³
45
Calvert ES (2712)
3.6 km PM2.5: 10.7 µg/m³
43
Columbus MS (8102)
3.7 km PM2.5: 10.3 µg/m³
30
Reseda, Los Angeles
3.9 km PM2.5: 7.2 µg/m³
13
Reseda, Los Angeles
3.9 km PM2.5: 3.1 µg/m³

What cities are near Winnetka?

32 Canoga Park 43 Reseda 45 Northridge 34 Chatsworth 43 Woodland Hills 43 West Hills 45 North Hills 49 Calabasas 50 Encino 36 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 2026-09-05T18:55 UTC.