Air Quality in City of Sammamish, United States
Clear
25.0°C · 41.4% humidity
25.0°
Feels 25.0°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
24 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
32
11am
25
20
19
2pm
2
4
0
5pm
0
0
8
8pm
28
28
29
11pm
41
41
58
2am
58
58
59
5am
58
58
58
8am
58
59
Station readings
32
25
20
15
CAMS model
adj -25
54
54
54
54
34
34
27
27
27
34
54
54
54
66
66
83
83
83
84
83
83
83
83
84
Air Quality Index Trend
48h · 18 stnCity of 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.
41.4%
Humidity
39.1 km/h
Wind NW
1015.5 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.5 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for City of Sammamish?
Temperature & Precipitation
PM2.5 Trend
48h · 18 stationsPM2.54.5 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (24 stations within 25 km)
4.5
Median
5.66
Average
2.53
Low
32.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +6.3
What is the 7-day forecast for City of Sammamish?
09-05
23.7° 9.3°
09-06
25.0° 11.6°
09-07
21.9° 9.4°
1.94 mm
09-08
28.0° 9.8°
2.63 mm
09-09
25.9° 12.5°
0.94 mm
09-10
28.8° 11.8°
09-11
24.7° 8.3°
Both models agree
Avg diff: 4.1°C
Where are air quality stations near City of Sammamish?
10
Issaquah-Lake Sammamish
15
SE 12th St, Bellevue, Washington, USA
14
SE 12th St, Bellevue, Washington, USA
14
SE 12th St, Bellevue, Washington, USA
14
SE 12th St, Bellevue, Washington, USA
24
Olive St, Seattle, Washington, USA
11
Seattle-S Myrtle St
17
Beacon Hill, Seattle, Washington, USA
20
Beacon Hill, Seattle, Washington, USA
15
Seattle-16th Ave S
What cities are near City of Sammamish?
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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 2026-09-05T21:20 UTC.