Stay updated with real-time air quality in Federal Way, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
29
Good
Federal Way, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.28 μg/m³
0
55
155
255
425
605+
31.23 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
7.71 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Federal Way, Washington
Scroll To Air Quality MapLoading...
AQI 29
Good
2.51μg/m³
PM2.5
10.28μg/m³
PM10
31.23ppb
O3
0.16ppb
SO2
7.71ppb
NO2
0.17ppm
CO
AQI 32
Good
2.38μg/m³
PM2.5
10.05μg/m³
PM10
34.66ppb
O3
0.16ppb
SO2
8.12ppb
NO2
0.17ppm
CO
AQI 33
Good
2.78μg/m³
PM2.5
11.83μg/m³
PM10
36.21ppb
O3
0.16ppb
SO2
7.64ppb
NO2
0.17ppm
CO
AQI 32
Good
2.38μg/m³
PM2.5
10.05μg/m³
PM10
34.66ppb
O3
0.16ppb
SO2
8.12ppb
NO2
0.17ppm
CO
AQI 28
Good
2.66μg/m³
PM2.5
10.80μg/m³
PM10
29.92ppb
O3
0.16ppb
SO2
7.38ppb
NO2
0.18ppm
CO
AQI 24
Good
2.60μg/m³
PM2.5
10.21μg/m³
PM10
26.04ppb
O3
0.16ppb
SO2
7.45ppb
NO2
0.18ppm
CO
The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Federal Way, Washington are available every hour.
Federal Way, Washington experienced its worst air quality at 01:00:00, 2026-03-10.
The best air quality in Federal Way, Washington was observed at 03:00:00 on 2026-03-10.
The air quality in Federal Way, Washington right now is Good, with an AQI of 29.
In Federal Way, Washington, O3 is the most frequently found pollutant.
When air quality in Federal Way, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Federal Way, Washington currently has a PM2.5 concentration of 2.507 μg/m3.
Federal Way, Washington currently has a PM10 concentration of 10.28 μg/m3.
The current carbon monoxide (CO) level in Federal Way, Washington is 0.175 ppm.
The current sulfur dioxide (SO2) concentration in Federal Way, Washington is 0.157 ppb.
Federal Way, Washington currently has an ozone (O3) concentration of 31.231 ppm.
The current level of nitrogen dioxide (NO2) in Federal Way, Washington is 7.709 ppb.
All Rights Reserved © Ambee Inc. 2025