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)
27
Good
Federal Way, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.17 μg/m³
0
55
155
255
425
605+
26.38 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
9.12 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Federal Way, Washington
Federal Way, Washington
Scroll To Air Quality MapLoading...
AQI 28
Good
4.84μg/m³
PM2.5
21.32μg/m³
PM10
29.61ppb
O3
1.41ppb
SO2
9.29ppb
NO2
0.18ppm
CO
AQI 27
Good
4.85μg/m³
PM2.5
21.36μg/m³
PM10
29.38ppb
O3
1.43ppb
SO2
9.52ppb
NO2
0.18ppm
CO
AQI 25
Good
4.35μg/m³
PM2.5
19.20μg/m³
PM10
26.60ppb
O3
1.40ppb
SO2
9.66ppb
NO2
0.18ppm
CO
AQI 27
Good
4.85μg/m³
PM2.5
21.36μg/m³
PM10
29.38ppb
O3
1.43ppb
SO2
9.52ppb
NO2
0.18ppm
CO
AQI 28
Good
5.00μg/m³
PM2.5
21.93μg/m³
PM10
29.69ppb
O3
1.37ppb
SO2
8.42ppb
NO2
0.19ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
21.14μg/m³
PM10
29.07ppb
O3
1.37ppb
SO2
8.76ppb
NO2
0.19ppm
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 04:00:00, 2025-06-06.
The best air quality in Federal Way, Washington was observed at 01:00:00 on 2025-06-06.
The air quality in Federal Way, Washington right now is Good, with an AQI of 27.
In Federal Way, Washington, PM2.5 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 5.257 μg/m3.
Federal Way, Washington currently has a PM10 concentration of 23.172 μg/m3.
The current carbon monoxide (CO) level in Federal Way, Washington is 0.116 ppm.
The current sulfur dioxide (SO2) concentration in Federal Way, Washington is 0.672 ppb.
Federal Way, Washington currently has an ozone (O3) concentration of 26.377 ppm.
The current level of nitrogen dioxide (NO2) in Federal Way, Washington is 9.118 ppb.
All Rights Reserved © Ambee Inc. 2025