Air Quality in SeaTac, United States

Windy
15.8°C · 31.3% humidity
15.8°
Feels 15.8°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 7pm
15
15
14 10pm
13
13
13 1am
26
26
51 4am
51
51
51 7am
51
51
26 10am
26
26
26 1pm
26
26
26 4pm
26
26
Station readings
16
15
15
14
CAMS model adj -24
37
37
37
37
37
37
37
50
50
75
75
75
75
75
75
50
50
50
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

27h · 17 stations
31.3%
Humidity
40.3 km/h
Wind NNW
1014.4 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for SeaTac?

Temperature & Precipitation

PM2.53.58 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (13 stations within 25 km)
3.58
Median
3.7
Average
2.45
Low
6.27
High
PM2.5 µg/m³ · Model: 4.4 · Bias: +0.8

What is the 7-day forecast for SeaTac?

04-09
13.2° 5.1°
04-10
15.8° 5.9°
04-11
11.2° 5.2°
1.31 mm
04-12
10.3° 5.1°
1.69 mm
04-13
9.2° 6.1°
1.31 mm
04-14
10.6° 6.4°
0.88 mm
04-15
10.8° 5.2°
Both models agree Avg diff: 2.0°C

Where are air quality stations near SeaTac?

22
SeaTac-Sunset Park
3.6 km PM2.5: 5.2 µg/m³
46
Tukwilla Allentown, Washington, USA
5.7 km
17
Tukwilla Allentown, Washington, USA
5.7 km
30
Tukwilla Allentown, Washington, USA
5.7 km
11
Des Moines-S 240th St
6.7 km PM2.5: 2.7 µg/m³
25
South Park, Seattle, Washington, USA
9.4 km
27
South Park, Seattle, Washington, USA
9.4 km
14
Seattle-S Myrtle St
10.1 km PM2.5: 3.4 µg/m³
14
Seattle-13th Ave S
10.6 km PM2.5: 3.3 µg/m³
16
Seattle-5th Ave S
11.1 km PM2.5: 3.8 µg/m³

What cities are near SeaTac?

15 Tukwila 15 Burien 15 Des Moines 15 Bryn Mawr-Skyway 15 Renton 15 Kent 15 East Hill-Meridian 15 Fairwood 13 Columbia City 15 Federal Way

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:15 UTC.