Air Quality in West Lake Sammamish, United States

Windy
23.9°C · 38.6% humidity
23.9°
Feels 23.9°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
22 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 12pm
55
58
48 3pm
51
51
51 6pm
51
51
51 9pm
51
51
51 12am
51
51
51 3am
51
51
51 6am
51
51
51 9am
51
51
Station readings
55
55
58
47
CAMS model adj -3
66
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 17 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.

38.6%
Humidity
55.2 km/h
Wind N
1012.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.62 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for West Lake Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 17 stations
PM2.511.62 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (22 stations within 25 km)
11.62
Median
12.13
Average
8.16
Low
25.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +1.9

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

07-21
30.4° 10.1°
07-22
24.9° 9.9°
07-23
30.9° 12.9°
07-24
29.3° 10.8°
07-25
24.6° 11.0°
07-26
30.1° 9.3°
07-27
27.1° 11.4°
Both models agree Avg diff: 4.4°C

Where are air quality stations near West Lake Sammamish?

49
Issaquah-Lake Sammamish
3.9 km PM2.5: 11.8 µg/m³
35
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 8.4 µg/m³
75
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 23.5 µg/m³
54
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 13.5 µg/m³
31
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 7.4 µg/m³
43
Seattle-S Myrtle St
15.2 km PM2.5: 10.3 µg/m³
84
Beacon Hill, Seattle, Washington, USA
15.6 km PM2.5: 27.8 µg/m³
37
Seattle-16th Ave S
15.8 km PM2.5: 8.9 µg/m³
25
Olive St, Seattle, Washington, USA
15.9 km PM2.5: 6.0 µg/m³
93
Tukwilla Allentown, Washington, USA
15.9 km PM2.5: 32.1 µg/m³

What cities are near West Lake Sammamish?

49 City of Sammamish 50 Sammamish 48 Issaquah 51 Mercer Island 50 Redmond 48 Union Hill-Novelty Hill 51 Columbia City 52 Renton 52 Bryn Mawr-Skyway 49 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 2026-07-21T22:07 UTC.