What is the air quality in SeaTac today?

The current Air Quality Index (AQI) in SeaTac is 29 (Good). PM2.5 concentration is 6.95 µg/m³.

What is the temperature in SeaTac right now?

The current temperature in SeaTac is 16.6°C (feels like 16.6°C). Humidity is 46.4% and wind speed is 14.0 km/h.

Is it safe to go outside in SeaTac?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in SeaTac, United States

Clear

16.6°C · 46.4% humidity

16.6°

Feels 16.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

21 stations

Nearby Monitoring Stations

AQI Forecast

13 10am

29 1pm

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Station readings

Air Quality Index Trend

48h · 2 stn

View full history →

SeaTac's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

46.4%

Humidity

14.0 km/h

Wind WSW

1020.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.95 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for SeaTac?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.56.95 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (21 stations within 25 km)

6.95

Median

6.77

Average

0.05

Low

10.97

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +1.2

What is the 7-day forecast for SeaTac?

10-20

16.6° 11.3°

0.88 mm

10-21

14.6° 9.7°

10-22

21.8° 7.7°

0.19 mm

10-23

17.2° 8.5°

1.63 mm

10-24

11.9° 7.3°

3.06 mm

10-25

15.1° 7.3°

10-26

13.5° 8.2°

3.38 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near SeaTac?

SeaTac-Sunset Park

3.6 km PM2.5: 4.4 µg/m³

Tukwilla Allentown, Washington, USA

5.7 km PM2.5: 7.2 µg/m³

Des Moines-S 240th St

6.7 km PM2.5: 9.0 µg/m³

Seattle-S Myrtle St

10.1 km PM2.5: 4.9 µg/m³

Seattle-5th Ave S

11.1 km PM2.5: 2.9 µg/m³

Duwamish, Seattle, Washington, USA

12.9 km PM2.5: 7.9 µg/m³

Duwamish, Seattle, Washington, USA

12.9 km PM2.5: 6.5 µg/m³

Federal Way-S 300th St

13.0 km PM2.5: 6.9 µg/m³

Beacon Hill, Seattle, Washington, USA

13.4 km PM2.5: 3.1 µg/m³

Beacon Hill, Seattle, Washington, USA

13.4 km PM2.5: 5.0 µg/m³

What cities are near SeaTac?

32 Tukwila 26 Burien 40 Des Moines 32 Bryn Mawr-Skyway 30 Renton 38 Kent 33 East Hill-Meridian 31 Fairwood 24 Columbia City 42 Federal Way

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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 2026-10-20T20:55 UTC.