Stay updated with real-time air quality in Washougal, 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)
28
Good
Washougal, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.94 μg/m³
0
55
155
255
425
605+
30.10 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
4.04 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washougal, Washington
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AQI 29
Good
2.49μg/m³
PM2.5
8.14μg/m³
PM10
30.61ppb
O3
0.14ppb
SO2
4.08ppb
NO2
0.12ppm
CO
AQI 28
Good
2.40μg/m³
PM2.5
8.12μg/m³
PM10
30.22ppb
O3
0.14ppb
SO2
4.04ppb
NO2
0.12ppm
CO
AQI 29
Good
1.98μg/m³
PM2.5
7.98μg/m³
PM10
30.66ppb
O3
0.14ppb
SO2
3.69ppb
NO2
0.11ppm
CO
AQI 29
Good
3.70μg/m³
PM2.5
15.73μg/m³
PM10
30.61ppb
O3
0.14ppb
SO2
3.63ppb
NO2
0.11ppm
CO
AQI 29
Good
2.00μg/m³
PM2.5
8.12μg/m³
PM10
30.72ppb
O3
0.14ppb
SO2
3.46ppb
NO2
0.11ppm
CO
AQI 29
Good
2.04μg/m³
PM2.5
8.40μg/m³
PM10
30.72ppb
O3
0.14ppb
SO2
3.49ppb
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 Washougal, Washington are available every hour.
Washougal, Washington experienced its worst air quality at 02:00:00, 2026-03-14.
The best air quality in Washougal, Washington was observed at 09:00:00 on 2026-03-14.
The air quality in Washougal, Washington right now is Good, with an AQI of 28.
In Washougal, Washington, O3 is the most frequently found pollutant.
When air quality in Washougal, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Washougal, Washington currently has a PM2.5 concentration of 2.453 μg/m3.
Washougal, Washington currently has a PM10 concentration of 10.935 μg/m3.
The current carbon monoxide (CO) level in Washougal, Washington is 0.127 ppm.
The current sulfur dioxide (SO2) concentration in Washougal, Washington is 0.139 ppb.
Washougal, Washington currently has an ozone (O3) concentration of 30.101 ppm.
The current level of nitrogen dioxide (NO2) in Washougal, Washington is 4.042 ppb.
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