Stay updated with real-time air quality in SedroWoolley, 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)
18
Good
SedroWoolley, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.45 μg/m³
0
55
155
255
425
605+
19.26 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
5.24 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
SedroWoolley, Washington
SedroWoolley, Washington
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AQI 18
Good
2.94μg/m³
PM2.5
12.45μg/m³
PM10
19.26ppb
O3
0.62ppb
SO2
5.24ppb
NO2
0.11ppm
CO
AQI 19
Good
2.87μg/m³
PM2.5
12.03μg/m³
PM10
19.55ppb
O3
0.62ppb
SO2
5.14ppb
NO2
0.12ppm
CO
AQI 19
Good
2.89μg/m³
PM2.5
11.98μg/m³
PM10
19.98ppb
O3
0.62ppb
SO2
5.12ppb
NO2
0.12ppm
CO
AQI 13
Good
1.09μg/m³
PM2.5
4.83μg/m³
PM10
13.70ppb
O3
0.68ppb
SO2
4.68ppb
NO2
0.10ppm
CO
AQI 33
Good
5.99μg/m³
PM2.5
26.57μg/m³
PM10
17.66ppb
O3
0.51ppb
SO2
5.23ppb
NO2
0.10ppm
CO
AQI 17
Good
3.48μg/m³
PM2.5
15.03μg/m³
PM10
18.39ppb
O3
0.57ppb
SO2
5.11ppb
NO2
0.13ppm
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 Sedrowoolley, Washington are available every hour.
Sedrowoolley, Washington experienced its worst air quality at 03:00:00, 2026-08-12.
The best air quality in Sedrowoolley, Washington was observed at 02:00:00 on 2026-08-12.
The air quality in Sedrowoolley, Washington right now is Good, with an AQI of 18.
In Sedrowoolley, Washington, O3 is the most frequently found pollutant.
When air quality in Sedrowoolley, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Sedrowoolley, Washington currently has a PM2.5 concentration of 2.939 μg/m3.
Sedrowoolley, Washington currently has a PM10 concentration of 12.449 μg/m3.
The current carbon monoxide (CO) level in Sedrowoolley, Washington is 0.114 ppm.
The current sulfur dioxide (SO2) concentration in Sedrowoolley, Washington is 0.62 ppb.
Sedrowoolley, Washington currently has an ozone (O3) concentration of 19.257 ppm.
The current level of nitrogen dioxide (NO2) in Sedrowoolley, Washington is 5.24 ppb.
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