Stay updated with real-time air quality in Ferndale, 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)
22
Good
Ferndale, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.32 μg/m³
0
55
155
255
425
605+
23.25 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
2.55 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ferndale, Washington
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AQI 33
Good
6.11μg/m³
PM2.5
27.05μg/m³
PM10
22.39ppb
O3
0.22ppb
SO2
4.63ppb
NO2
0.19ppm
CO
AQI 22
Good
4.40μg/m³
PM2.5
16.79μg/m³
PM10
24.29ppb
O3
0.22ppb
SO2
2.33ppb
NO2
0.20ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
16.02μg/m³
PM10
24.38ppb
O3
0.19ppb
SO2
2.16ppb
NO2
0.20ppm
CO
AQI 35
Good
2.61μg/m³
PM2.5
10.65μg/m³
PM10
37.71ppb
O3
0.23ppb
SO2
3.98ppb
NO2
0.18ppm
CO
AQI 27
Good
1.02μg/m³
PM2.5
4.26μg/m³
PM10
29.44ppb
O3
0.23ppb
SO2
3.74ppb
NO2
0.18ppm
CO
AQI 27
Good
1.60μg/m³
PM2.5
6.80μg/m³
PM10
29.49ppb
O3
0.23ppb
SO2
3.86ppb
NO2
0.18ppm
CO
Air quality measurements for Washington, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Ferndale, Washington is updated on an hourly basis.
The worst air quality in Ferndale, Washington was recorded at 03:00:00 on 2026-03-05.
The best air quality in Ferndale, Washington was recorded at 05:00:00 on 2026-03-04.
The real-time air quality index in Ferndale, Washington is 22, currently categorized as Good.
The most common pollutant in Ferndale, Washington is PM2.5.
If the air quality in Ferndale, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ferndale, Washington at present are 4.04 μg/m3.
The current PM10 levels in Ferndale, Washington are 16.323 μg/m3.
The current carbon monoxide (CO) level in Ferndale, Washington is 0.198 ppm.
The current sulfur dioxide (SO2) levels in Ferndale, Washington are 0.19 ppb.
The current ozone (O3) levels at Ferndale, Washington is 23.247 ppm.
The current nitrogen dioxide (NO2) levels at Ferndale, Washington is 2.547 ppb.
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