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
AD 728×90

Air Quality Index Trend

48h · 18 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.

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▲
19
4.5 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for City of Sammamish?

Temperature & Precipitation

PM2.5 Trend

48h · 18 stations
PM2.54.5 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
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
6.1 km PM2.5: 2.5 µg/m³
15
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 3.6 µg/m³
14
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 3.4 µg/m³
14
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 3.4 µg/m³
14
SE 12th St, Bellevue, Washington, USA
8.3 km PM2.5: 3.4 µg/m³
24
Olive St, Seattle, Washington, USA
20.0 km PM2.5: 5.8 µg/m³
11
Seattle-S Myrtle St
20.6 km PM2.5: 2.7 µg/m³
17
Beacon Hill, Seattle, Washington, USA
20.7 km PM2.5: 4.1 µg/m³
20
Beacon Hill, Seattle, Washington, USA
20.7 km PM2.5: 4.8 µg/m³
15
Seattle-16th Ave S
20.7 km PM2.5: 3.6 µg/m³

What cities are near City of Sammamish?

20 Sammamish 18 West Lake Sammamish 15 Issaquah 19 Union Hill-Novelty Hill 21 Redmond 23 Mercer Island 22 Kirkland 20 Cottage Lake 23 Columbia City 23 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 2026-09-05T21:20 UTC.