Air Quality in West Lake Sammamish, United States

Rain
9.6°C · 97.9% humidity
9.6°
Feels 5.5°
7
Good
Air quality is satisfactory. Enjoy outdoor activities.
23 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 4am
2
0
7 7am
10
7
5 10am
4
3
2 1pm
3
1
3 4pm
2
2
22 7pm
22
22
22 10pm
22
22
22 1am
2
2
Station readings
8
8
12
12
CAMS model adj -32
54
34
27
25
25
25
25
25
25
27
34
27
34
34
34
54
54
54
54
54
54
54
34
34
AD 728×90

Air Quality Index Trend

48h · 1 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.

97.9%
Humidity
38.3 km/h
Wind SSE
1016.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
7
1.71 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Lake Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.51.71 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (23 stations within 25 km)
1.71
Median
2.86
Average
0.7
Low
5.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +4.3

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

05-29
26.4° 9.6°
18.12 mm
05-30
21.4° 8.1°
0.94 mm
05-31
22.9° 9.1°
06-01
19.4° 4.1°
06-02
27.9° 8.4°
06-03
20.1° 6.4°
1.94 mm
06-04
17.9° 10.2°
0.81 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near West Lake Sammamish?

6
Issaquah-Lake Sammamish
3.9 km PM2.5: 1.4 µg/m³
46
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 11.0 µg/m³
30
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 7.2 µg/m³
4
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 1.0 µg/m³
17
SE 12th St, Bellevue, Washington, USA
4.4 km PM2.5: 4.1 µg/m³
14
Seattle-S Myrtle St
15.2 km PM2.5: 3.3 µg/m³
28
Beacon Hill, Seattle, Washington, USA
15.6 km PM2.5: 6.7 µg/m³
13
Seattle-16th Ave S
15.8 km PM2.5: 3.1 µg/m³
30
Olive St, Seattle, Washington, USA
15.9 km PM2.5: 7.2 µg/m³
29
Tukwilla Allentown, Washington, USA
15.9 km PM2.5: 7.0 µg/m³

What cities are near West Lake Sammamish?

8 City of Sammamish 8 Sammamish 8 Issaquah 12 Mercer Island 10 Redmond 9 Union Hill-Novelty Hill 14 Columbia City 13 Renton 14 Bryn Mawr-Skyway 11 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 2026-05-29T14:31 UTC.