Air Quality in Federal Way, United States

Partly Cloudy
21.0°C · 52.8% humidity
21.0°
Feels 21.0°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 9am
13
11
12 12pm
9
9
9 3pm
9
9
9 6pm
9
29
29 9pm
29
29
29 12am
29
29
29 3am
29
29
41 6am
41
41
Station readings
13
13
11
11
CAMS model adj -25
34
34
34
34
34
34
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
66
66
66
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.

52.8%
Humidity
35.6 km/h
Wind N
1019.0 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
3.04 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
PM2.53.04 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (13 stations within 25 km)
3.04
Median
3.28
Average
1.9
Low
5.26
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +5.2

What is the 7-day forecast for Federal Way?

09-05
24.0° 11.7°
09-06
24.9° 13.7°
09-07
22.3° 10.9°
0.75 mm
09-08
27.4° 12.8°
1.13 mm
09-09
25.9° 11.9°
0.38 mm
09-10
30.4° 13.4°
09-11
25.9° 10.8°
Both models agree Avg diff: 3.3°C

Where are air quality stations near Federal Way?

15
Auburn
6.8 km PM2.5: 3.6 µg/m³
8
Des Moines-S 240th St
7.4 km PM2.5: 1.9 µg/m³
13
Auburn-29th Street
8.1 km PM2.5: 3.2 µg/m³
8
Puyallup-Pioneer Way E
15.1 km PM2.5: 1.9 µg/m³
18
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 4.3 µg/m³
12
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 2.9 µg/m³
20
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 4.8 µg/m³
5
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 1.2 µg/m³
23
S 36th St, Tacoma, Washington, USA
15.6 km PM2.5: 5.5 µg/m³
12
Tacoma-S Adams St
16.5 km PM2.5: 2.8 µg/m³

What cities are near Federal Way?

13 Kent 11 Des Moines 10 Tacoma 19 SeaTac 16 East Hill-Meridian 14 Covington 8 Puyallup 20 Burien 20 Tukwila 17 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 2026-09-05T19:30 UTC.