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)
21
Good
Oak Harbor, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.00 μg/m³
0
55
155
255
425
605+
22.92 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
4.96 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Oak Harbor, Washington
Oak Harbor, Washington
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AQI 18
Good
3.16μg/m³
PM2.5
11.01μg/m³
PM10
19.10ppb
O3
0.37ppb
SO2
4.20ppb
NO2
0.17ppm
CO
AQI 16
Good
3.10μg/m³
PM2.5
14.01μg/m³
PM10
16.23ppb
O3
0.39ppb
SO2
5.43ppb
NO2
0.17ppm
CO
AQI 22
Good
4.05μg/m³
PM2.5
18.20μg/m³
PM10
23.02ppb
O3
0.34ppb
SO2
5.07ppb
NO2
0.20ppm
CO
AQI 22
Good
3.00μg/m³
PM2.5
12.03μg/m³
PM10
24.30ppb
O3
0.24ppb
SO2
4.21ppb
NO2
0.18ppm
CO
AQI 22
Good
3.27μg/m³
PM2.5
13.41μg/m³
PM10
24.12ppb
O3
0.26ppb
SO2
4.31ppb
NO2
0.18ppm
CO
AQI 22
Good
3.63μg/m³
PM2.5
15.17μg/m³
PM10
23.58ppb
O3
0.27ppb
SO2
4.34ppb
NO2
0.19ppm
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 06:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Oak Harbor, Washington was observed at 11:00:00 on 2026-09-07.
As of now, the AQI in Oak Harbor, Washington is 21, 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 3.2 μg/m3.
The PM10 concentration in Oak Harbor, Washington is 13.999 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Oak Harbor, Washington is 0.18 ppm.
Currently, Oak Harbor, Washington has a sulfur dioxide (SO2) concentration of 0.363 ppb.
The current ozone (O3) level in Oak Harbor, Washington at the moment is 22.921 ppm.
Nitrogen dioxide (NO2) level in Oak Harbor, Washington at the moment is 4.955 ppb.
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