Air Quality in Federal Way, United States

Clear
21.6°C · 41.4% humidity
21.6°
Feels 21.6°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
47 7am
44
37
40 10am
40
40
40 1pm
40
40
40 4pm
33
33
33 7pm
33
33
33 10pm
33
33
33 1am
33
33
33 4am
33
33
Station readings
47
44
37
36
CAMS model adj +6
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

48h · 10 stn

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.

41.4%
Humidity
15.6 km/h
Wind SW
1015.5 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.52 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Federal Way?

Temperature & Precipitation

PM2.5 Trend

48h · 10 stations
PM2.59.52 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (14 stations within 25 km)
9.52
Median
11.15
Average
8.4
Low
15.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -2.2

What is the 7-day forecast for Federal Way?

07-21
32.8° 12.6°
07-22
26.5° 14.1°
07-23
32.9° 17.3°
07-24
31.0° 14.1°
07-25
25.2° 15.2°
07-26
32.3° 11.8°
07-27
30.0° 14.2°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Federal Way?

35
Federal Way-S 300th St
1.4 km PM2.5: 8.4 µg/m³
53
Auburn
6.8 km PM2.5: 13.2 µg/m³
38
Des Moines-S 240th St
7.4 km PM2.5: 9.2 µg/m³
53
Auburn-29th Street
8.1 km PM2.5: 13.2 µg/m³
51
Puyallup-Pioneer Way E
15.1 km PM2.5: 12.3 µg/m³
16
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 3.8 µg/m³
33
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 7.9 µg/m³
190
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 131.0 µg/m³
39
Tacoma-S Adams St
16.5 km PM2.5: 9.3 µg/m³
38
SeaTac-Sunset Park
17.4 km PM2.5: 9.2 µg/m³

What cities are near Federal Way?

45 Kent 43 Des Moines 52 Tacoma 42 SeaTac 45 East Hill-Meridian 48 Covington 49 Puyallup 43 Burien 41 Tukwila 44 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 2026-07-21T17:15 UTC.