AQI

Federal Way Air Quality Index & Realtime Air Pollution

Live AQI
49(AQI-US)
Air Quality is
Good
PM2.5 :7.4µg/m³
PM10 :11.1µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Federal Way (Washington)

PM2.57µg/m³
PM2.5
Fine particles
PM1011µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO115µg/m³
CO
Carbon monoxide
NO₂1µg/m³
NO₂
Nitrogen dioxide
O₃88µg/m³
O₃
Ozone

Hourly forecast Federal Way (Washington)

Now18°
Overcast
18:0016°
Partly cloudy
19:0015°
Overcast
20:0015°
Mostly clear
21:0014°
Overcast
22:0013°
Clear sky
23:0013°
Overcast
00:0013°
Overcast
01:0012°
Mostly clear
02:0011°
Mostly clear
03:0011°
Clear sky
04:0010°
Clear sky
05:009°
Clear sky
06:009°
Clear sky
07:0010°
Clear sky
08:0012°
Mostly clear
09:0012°
Mostly clear
10:0013°
Mostly clear
11:0015°
Mostly clear
12:0015°
Mostly clear
13:0016°
Overcast
14:0016°
Partly cloudy
15:0019°
Mostly clear
16:0020°
Mostly clear

Health Recommendations for Federal Way Residents

Based on current air quality: Good · AQI 49

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

1.45

Low

Safe to be outside. Minimal UV risk.

Wind

5.4 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Federal Way (Washington)

44
Min. AQIat 3:00 AM on 3rd Jun
50
Max. AQIat 6:00 PM on 3rd Jun
03-06-2026Time04-06-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

119
Poor3x above Standard
93
Moderate2x above Standard
81
Moderate2x above Standard
79
Moderate1x above Standard
75
Moderate1x above Standard
75
Moderate3x above Standard
75
Moderate3x above Standard
73
Moderate2x above Standard
72
Moderate1x above Standard
67
Moderate1x above Standard
Last Updated: 03 Jun 2026, 22:43

Health Advice For People Living in Federal Way

0.3
Cigarettes
per day
Weekly2.1 Cigarettes
Monthly9 Cigarettes

Breathing the air in this location is equivalent to smoking 0.3 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Federal Way Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Federal Way · Current air quality: Good · AQI 49

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Federal Way is Good (0-50).

Common signs

Symptoms often include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Prefer indoor, filtered air when the AQI is elevated.
  • Drink water and pause from screen time or strong light if you are migraine-prone.
  • If you Consider using prescribed migraine meds, Store them accessible.
Don’ts :
  • Avoid do intense outdoor exercise during poor AQI periods.
  • Try not to ignore worsening issues that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Air Quality FAQs at Federal Way, Washington

The current real-time AQI (US) level in Federal Way, Washington is 49 (Good). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Federal Way, Washington have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.