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
2.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.97 μg/m³
0
55
155
255
425
605+
28.84 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
5.45 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Federal Way, Washington
Federal Way, Washington
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AQI 27
Good
2.43μg/m³
PM2.5
9.97μg/m³
PM10
28.84ppb
O3
0.10ppb
SO2
5.45ppb
NO2
0.11ppm
CO
AQI 26
Good
2.06μg/m³
PM2.5
8.83μg/m³
PM10
28.27ppb
O3
0.10ppb
SO2
5.61ppb
NO2
0.12ppm
CO
AQI 26
Good
2.45μg/m³
PM2.5
10.12μg/m³
PM10
28.08ppb
O3
0.10ppb
SO2
5.28ppb
NO2
0.12ppm
CO
AQI 26
Good
2.06μg/m³
PM2.5
8.83μg/m³
PM10
28.27ppb
O3
0.10ppb
SO2
5.61ppb
NO2
0.12ppm
CO
AQI 27
Good
2.76μg/m³
PM2.5
10.94μg/m³
PM10
29.02ppb
O3
0.10ppb
SO2
5.05ppb
NO2
0.11ppm
CO
AQI 28
Good
2.72μg/m³
PM2.5
10.38μg/m³
PM10
29.57ppb
O3
0.10ppb
SO2
6.08ppb
NO2
0.11ppm
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 12:00:00, 2026-04-22.
The best air quality in Federal Way, Washington was observed at 12:00:00 on 2026-04-21.
The air quality in Federal Way, Washington right now is Good, with an AQI of 27.
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 2.433 μg/m3.
Federal Way, Washington currently has a PM10 concentration of 9.973 μg/m3.
The current carbon monoxide (CO) level in Federal Way, Washington is 0.113 ppm.
The current sulfur dioxide (SO2) concentration in Federal Way, Washington is 0.1 ppb.
Federal Way, Washington currently has an ozone (O3) concentration of 28.842 ppm.
The current level of nitrogen dioxide (NO2) in Federal Way, Washington is 5.448 ppb.
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