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)
31
Good
Ferndale, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.85 μg/m³
0
55
155
255
425
605+
34.07 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
2.99 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
5.03μg/m³
PM2.5
15.48μg/m³
PM10
36.00ppb
O3
0.11ppb
SO2
3.88ppb
NO2
0.20ppm
CO
AQI 30
Good
4.31μg/m³
PM2.5
13.04μg/m³
PM10
31.75ppb
O3
0.11ppb
SO2
2.94ppb
NO2
0.20ppm
CO
AQI 32
Good
5.03μg/m³
PM2.5
13.63μg/m³
PM10
34.75ppb
O3
0.11ppb
SO2
2.96ppb
NO2
0.20ppm
CO
AQI 39
Good
4.54μg/m³
PM2.5
17.88μg/m³
PM10
41.94ppb
O3
0.12ppb
SO2
4.58ppb
NO2
0.18ppm
CO
AQI 35
Good
4.70μg/m³
PM2.5
16.13μg/m³
PM10
38.32ppb
O3
0.11ppb
SO2
4.87ppb
NO2
0.20ppm
CO
AQI 34
Good
4.59μg/m³
PM2.5
14.84μg/m³
PM10
36.72ppb
O3
0.11ppb
SO2
5.03ppb
NO2
0.20ppm
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 08:00:00 on 2026-03-05.
The best air quality in Ferndale, Washington was recorded at 10:00:00 on 2026-03-05.
The real-time air quality index in Ferndale, Washington is 31, currently categorized as Good.
The most common pollutant in Ferndale, Washington is O3.
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 5.009 μg/m3.
The current PM10 levels in Ferndale, Washington are 14.852 μg/m3.
The current carbon monoxide (CO) level in Ferndale, Washington is 0.2 ppm.
The current sulfur dioxide (SO2) levels in Ferndale, Washington are 0.113 ppb.
The current ozone (O3) levels at Ferndale, Washington is 34.066 ppm.
The current nitrogen dioxide (NO2) levels at Ferndale, Washington is 2.987 ppb.
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