Air Quality in City of Sammamish, United States
Cloudy
14.4°C · 73.1% humidity
14.4°
Feels 14.4°
79
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
21 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
95
2pm
93
73
79
5pm
80
81
82
8pm
83
83
83
11pm
84
84
84
2am
84
84
84
5am
84
84
84
8am
84
84
84
11am
84
84
Station readings
95
93
73
CAMS model
adj +30
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
Air Quality Index Trend
47h · 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. Current PM2.5 concentration in City of Sammamish is 1.7× the WHO 24-hour guideline of 15 µg/m³.
73.1%
Humidity
28.5 km/h
Wind SSW
1017.2 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
25.54 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for City of Sammamish?
Temperature & Precipitation
PM2.5 Trend
47h · 18 stationsPM2.525.54 µg/m³
×1.7 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (21 stations within 25 km)
25.54
Median
22.09
Average
12.85
Low
51.3
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -12.0
What is the 7-day forecast for City of Sammamish?
08-03
31.8° 9.3°
08-04
26.2° 10.4°
0.06 mm
08-05
32.2° 11.0°
08-06
23.7° 13.6°
0.06 mm
08-07
28.5° 12.4°
08-08
27.1° 8.3°
08-09
24.6° 8.5°
Both models agree
Avg diff: 4.9°C
Where are air quality stations near City of Sammamish?
76
Issaquah-Lake Sammamish
69
SE 12th St, Bellevue, Washington, USA
57
SE 12th St, Bellevue, Washington, USA
64
SE 12th St, Bellevue, Washington, USA
67
SE 12th St, Bellevue, Washington, USA
68
Olive St, Seattle, Washington, USA
72
Seattle-S Myrtle St
62
Beacon Hill, Seattle, Washington, USA
66
Beacon Hill, Seattle, Washington, USA
61
Beacon Hill, Seattle, Washington, USA
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 2026-08-08T00:04 UTC.