What is the air quality in West Lake Sammamish today?

The current Air Quality Index (AQI) in West Lake Sammamish is 9 (Good). PM2.5 concentration is 2.15 µg/m³.

What is the temperature in West Lake Sammamish right now?

The current temperature in West Lake Sammamish is 17.7°C (feels like 17.7°C). Humidity is 58.5% and wind speed is 18.8 km/h.

Is it safe to go outside in West Lake Sammamish?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in West Lake Sammamish, United States

Partly Cloudy

17.7°C · 58.5% humidity

17.7°

Feels 17.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

26 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

9 10am

9 1pm

9 4pm

9 7pm

9 10pm

9 1am

9 4am

9 7am

Station readings

CAMS model adj -16

Air Quality Index Trend

48h · 1 stn

View full history →

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

58.5%

Humidity

18.8 km/h

Wind SSW

1014.9 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.15 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for West Lake Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.52.15 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX9.4

Very High

Station readings (26 stations within 25 km)

2.15

Median

3.38

Average

0.97

Low

7.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +3.8

Both models agree Avg diff: 4.8°C

Where are air quality stations near West Lake Sammamish?

Issaquah-Lake Sammamish

3.9 km PM2.5: 1.0 µg/m³

SE 12th St, Bellevue, Washington, USA

4.4 km PM2.5: 15.0 µg/m³

SE 12th St, Bellevue, Washington, USA

4.4 km PM2.5: 0.5 µg/m³

SE 12th St, Bellevue, Washington, USA

4.4 km PM2.5: 7.2 µg/m³

SE 12th St, Bellevue, Washington, USA

4.4 km PM2.5: 1.4 µg/m³

Seattle-S Myrtle St

15.2 km PM2.5: 2.2 µg/m³

Beacon Hill, Seattle, Washington, USA

15.6 km PM2.5: 3.4 µg/m³

Seattle-16th Ave S

15.8 km PM2.5: 2.5 µg/m³

Olive St, Seattle, Washington, USA

15.9 km PM2.5: 4.1 µg/m³

Tukwilla Allentown, Washington, USA

15.9 km PM2.5: 2.9 µg/m³

What cities are near West Lake Sammamish?

10 City of Sammamish 12 Sammamish 8 Issaquah 15 Mercer Island 13 Redmond 12 Union Hill-Novelty Hill 16 Columbia City 14 Renton 14 Bryn Mawr-Skyway 13 Kirkland

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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 2026-06-08T20:45 UTC.