Air Quality in West Lake Sammamish, United States

Partly Cloudy
13.8°C · 63.5% humidity
13.8°
Feels 13.8°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
25 stations

Nearby Monitoring Stations

AQI Forecast
23 2pm
22
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23 5pm
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Station readings
23
22
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15
19

Air Quality Index Trend

48h · 2 stn

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.

63.5%
Humidity
20.5 km/h
Wind SSE
1016.3 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.42 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Lake Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.42 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (25 stations within 25 km)
5.42
Median
5.19
Average
0.05
Low
11.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.6

What is the 7-day forecast for West Lake Sammamish?

10-21
13.8° 6.7°
0.06 mm
10-22
20.1° 5.1°
2.31 mm
10-23
17.3° 6.5°
2.87 mm
10-24
12.2° 4.8°
3.81 mm
10-25
14.6° 5.1°
10-26
12.5° 8.1°
3.81 mm
10-27
18.6° 6.8°
Both models agree Avg diff: 3.7°C

Where are air quality stations near West Lake Sammamish?

18
Issaquah-Lake Sammamish
3.9 km PM2.5: 4.4 µg/m³
19
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 4.6 µg/m³
18
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 4.3 µg/m³
20
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 4.8 µg/m³
33
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 7.9 µg/m³
17
Seattle-S Myrtle St
15.2 km PM2.5: 4.1 µg/m³
37
Beacon Hill, Seattle, Washington, USA
15.6 km PM2.5: 8.9 µg/m³
28
Beacon Hill, Seattle, Washington, USA
15.6 km PM2.5: 6.7 µg/m³
15
Seattle-16th Ave S
15.8 km PM2.5: 3.5 µg/m³
13
Olive St, Seattle, Washington, USA
15.9 km PM2.5: 3.1 µg/m³

What cities are near West Lake Sammamish?

23 City of Sammamish 23 Sammamish 22 Issaquah 24 Mercer Island 23 Redmond 23 Union Hill-Novelty Hill 24 Columbia City 26 Renton 29 Bryn Mawr-Skyway 22 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 2026-10-21T00:42 UTC.