What is the air quality in Federal Way today?

The current Air Quality Index (AQI) in Federal Way is 18 (Good). PM2.5 concentration is 4.38 µg/m³.

What is the temperature in Federal Way right now?

The current temperature in Federal Way is 9.7°C (feels like 6.5°C). Humidity is 71.1% and wind speed is 24.6 km/h.

Is it safe to go outside in Federal Way?

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

Air Quality in Federal Way, United States

Cloudy

9.7°C · 71.1% humidity

9.7°

Feels 6.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

15 stations

Nearby Monitoring Stations

AQI Forecast

15 6pm

18 9pm

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Station readings

Air Quality Index Trend

48h · 10 stn

View full history →

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

71.1%

Humidity

24.6 km/h

Wind NNE

1012.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.38 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Federal Way?

Temperature & Precipitation

PM2.5 Trend

48h · 10 stations

PM2.54.38 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (15 stations within 25 km)

4.38

Median

6.09

Average

3.67

Low

9.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +9.1

What is the 7-day forecast for Federal Way?

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

10-27

19.7° 8.9°

0.06 mm

Both models agree Avg diff: 4.5°C

Where are air quality stations near Federal Way?

Federal Way-S 300th St

1.4 km PM2.5: 5.0 µg/m³

Auburn

6.8 km PM2.5: 7.9 µg/m³

Des Moines-S 240th St

7.4 km PM2.5: 4.7 µg/m³

Auburn-29th Street

8.1 km PM2.5: 10.0 µg/m³

Puyallup-Pioneer Way E

15.1 km PM2.5: 5.3 µg/m³

S 36th St, Tacoma, Washington, USA

15.6 km PM2.5: 7.2 µg/m³

S 36th St, Tacoma, Washington, USA

15.6 km PM2.5: 8.4 µg/m³

S 36th St, Tacoma, Washington, USA

15.6 km PM2.5: 12.0 µg/m³

Tacoma-S Adams St

16.5 km PM2.5: 4.9 µg/m³

SeaTac-Sunset Park

17.4 km PM2.5: 8.2 µg/m³

What cities are near Federal Way?

22 Kent 20 Des Moines 30 Tacoma 22 SeaTac 22 East Hill-Meridian 26 Covington 21 Puyallup 22 Burien 23 Tukwila 22 Fairwood

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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 2026-10-21T04:39 UTC.