Air Quality in City of Sammamish, United States

Partly Cloudy
17.7°C · 58.5% humidity
17.7°
Feels 17.7°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 9am
8
8
9 12pm
8
8
8 3pm
8
7
8 6pm
8
8
8 9pm
8
8
8 12am
8
8
8 3am
8
8
8 6am
8
8
Station readings
8
8
12
12
CAMS model adj -17
27
25
25
25
25
25
25
25
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 1 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.

58.5%
Humidity
18.8 km/h
Wind SSW
1014.9 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
9
2.19 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for City of Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.52.19 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (27 stations within 25 km)
2.19
Median
2.96
Average
1.0
Low
7.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.7
Both models agree Avg diff: 4.8°C

Where are air quality stations near City of Sammamish?

4
Issaquah-Lake Sammamish
6.1 km PM2.5: 0.9 µg/m³
2
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 0.5 µg/m³
30
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 7.2 µg/m³
6
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 1.4 µg/m³
42
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 10.1 µg/m³
17
Olive St, Seattle, Washington, USA
20.0 km PM2.5: 4.1 µg/m³
9
Seattle-S Myrtle St
20.6 km PM2.5: 2.2 µg/m³
14
Beacon Hill, Seattle, Washington, USA
20.7 km PM2.5: 3.4 µg/m³
10
Seattle-16th Ave S
20.7 km PM2.5: 2.5 µg/m³
2
10th and Weller, Seattle, Washington, USA
21.2 km PM2.5: 0.5 µg/m³

What cities are near City of Sammamish?

10 Sammamish 8 West Lake Sammamish 7 Issaquah 9 Union Hill-Novelty Hill 10 Redmond 12 Mercer Island 11 Kirkland 10 Cottage Lake 13 Columbia City 11 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 2026-06-08T19:34 UTC.