Air Quality in City of Sammamish, United States

Windy
23.9°C · 38.6% humidity
23.9°
Feels 23.9°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
21 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 12pm
54
56
49 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
54
56
46
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

City 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.

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▲
49
11.82 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for City of Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 17 stations
PM2.511.82 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (21 stations within 25 km)
11.82
Median
12.34
Average
8.16
Low
25.0
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +4.5

What is the 7-day forecast for City of 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 City of Sammamish?

49
Issaquah-Lake Sammamish
6.1 km PM2.5: 11.8 µg/m³
75
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 23.5 µg/m³
54
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 13.5 µg/m³
31
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 7.4 µg/m³
35
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 8.4 µg/m³
25
Olive St, Seattle, Washington, USA
20.0 km PM2.5: 6.0 µg/m³
43
Seattle-S Myrtle St
20.6 km PM2.5: 10.3 µg/m³
84
Beacon Hill, Seattle, Washington, USA
20.7 km PM2.5: 27.8 µg/m³
37
Seattle-16th Ave S
20.7 km PM2.5: 8.9 µg/m³
68
10th and Weller, Seattle, Washington, USA
21.2 km PM2.5: 20.2 µg/m³

What cities are near City of Sammamish?

50 Sammamish 48 West Lake Sammamish 48 Issaquah 48 Union Hill-Novelty Hill 50 Redmond 51 Mercer Island 49 Kirkland 46 Cottage Lake 51 Columbia City 52 Renton
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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 2026-07-21T22:12 UTC.