Air Quality in SeaTac, United States
Windy
17.8°C · 40.1% humidity
17.8°
Feels 17.8°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
24 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
12
4pm
11
12
13
7pm
12
12
12
10pm
12
12
12
1am
12
12
12
4am
12
14
14
7am
14
14
14
10am
14
12
12
1pm
12
12
Station readings
8
12
12
21
CAMS model
adj -13
25
24
25
24
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
25
25
25
25
Air Quality Index Trend
48h · 1 stnSeaTac's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
40.1%
Humidity
82.5 km/h
Wind WSW
1016.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.24 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for SeaTac?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.53.24 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (24 stations within 25 km)
3.24
Median
3.83
Average
0.2
Low
8.4
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.6
What is the 7-day forecast for SeaTac?
06-09
17.8° 11.1°
1.19 mm
06-10
23.2° 12.4°
06-11
23.0° 9.9°
06-12
33.6° 13.0°
0.06 mm
06-13
32.4° 8.6°
06-14
24.0° 12.2°
0.13 mm
06-15
25.5° 9.1°
1.25 mm
Both models agree
Avg diff: 3.9°C
Where are air quality stations near SeaTac?
15
SeaTac-Sunset Park
55
Tukwilla Allentown, Washington, USA
6
Tukwilla Allentown, Washington, USA
51
Tukwilla Allentown, Washington, USA
18
Des Moines-S 240th St
15
South Park, Seattle, Washington, USA
10
South Park, Seattle, Washington, USA
13
Seattle-S Myrtle St
22
Seattle-13th Ave S
22
Seattle-5th Ave S
What cities are near SeaTac?
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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 2026-06-09T02:16 UTC.