Stay updated with real-time air quality in Oak Harbor, 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
Oak Harbor, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
1.10 μg/m³
0
55
155
255
425
605+
29.49 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
1.52 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Oak Harbor, Washington
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AQI 23
Good
1.17μg/m³
PM2.5
4.09μg/m³
PM10
25.29ppb
O3
0.14ppb
SO2
2.09ppb
NO2
0.12ppm
CO
AQI 19
Good
2.96μg/m³
PM2.5
11.88μg/m³
PM10
19.53ppb
O3
0.16ppb
SO2
2.44ppb
NO2
0.12ppm
CO
AQI 25
Good
0.43μg/m³
PM2.5
1.68μg/m³
PM10
26.82ppb
O3
0.14ppb
SO2
2.10ppb
NO2
0.10ppm
CO
AQI 24
Good
0.11μg/m³
PM2.5
0.27μg/m³
PM10
25.60ppb
O3
0.12ppb
SO2
1.62ppb
NO2
0.12ppm
CO
AQI 24
Good
0.31μg/m³
PM2.5
1.27μg/m³
PM10
25.65ppb
O3
0.12ppb
SO2
1.68ppb
NO2
0.12ppm
CO
AQI 24
Good
0.49μg/m³
PM2.5
2.14μg/m³
PM10
25.67ppb
O3
0.13ppb
SO2
1.72ppb
NO2
0.11ppm
CO
Air quality and pollutant data for Washington, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Oak Harbor, Washington is updated every hour for accuracy.
In the past 24 hours, the air quality in Oak Harbor, Washington was at its worst at 03:00:00 on 2026-03-08.
In the last 24 hours, the best air quality in Oak Harbor, Washington was observed at 02:00:00 on 2026-03-07.
As of now, the AQI in Oak Harbor, Washington is 23, indicating Good conditions.
Oak Harbor, Washington air has the highest levels of O3.
Poor air quality in Oak Harbor, Washington means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Oak Harbor, Washington are currently 1.761 μg/m3.
The PM10 concentration in Oak Harbor, Washington is 9.545 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Oak Harbor, Washington is 0.119 ppm.
Currently, Oak Harbor, Washington has a sulfur dioxide (SO2) concentration of 0.141 ppb.
The current ozone (O3) level in Oak Harbor, Washington at the moment is 25.486 ppm.
Nitrogen dioxide (NO2) level in Oak Harbor, Washington at the moment is 2.121 ppb.
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