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)
49
Good
Ferndale, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.75 μg/m³
0
55
155
255
425
605+
27.05 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
2.83 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ferndale, Washington
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AQI 52
Moderate
10.06μg/m³
PM2.5
44.66μg/m³
PM10
23.70ppb
O3
0.18ppb
SO2
3.06ppb
NO2
0.15ppm
CO
AQI 49
Good
8.64μg/m³
PM2.5
31.92μg/m³
PM10
25.03ppb
O3
0.17ppb
SO2
3.71ppb
NO2
0.12ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
30.54μg/m³
PM10
29.09ppb
O3
0.17ppb
SO2
2.89ppb
NO2
0.15ppm
CO
AQI 24
Good
4.25μg/m³
PM2.5
18.81μg/m³
PM10
25.93ppb
O3
0.30ppb
SO2
2.94ppb
NO2
0.12ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
23.02μg/m³
PM10
23.35ppb
O3
0.20ppb
SO2
3.93ppb
NO2
0.14ppm
CO
AQI 27
Good
5.33μg/m³
PM2.5
23.65μg/m³
PM10
23.69ppb
O3
0.21ppb
SO2
3.83ppb
NO2
0.14ppm
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 2026-07-23.
The best air quality in Ferndale, Washington was recorded at 08:00:00 on 2026-07-23.
The real-time air quality index in Ferndale, Washington is 49, 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 9 μg/m3.
The current PM10 levels in Ferndale, Washington are 35.752 μg/m3.
The current carbon monoxide (CO) level in Ferndale, Washington is 0.131 ppm.
The current sulfur dioxide (SO2) levels in Ferndale, Washington are 0.174 ppb.
The current ozone (O3) levels at Ferndale, Washington is 27.048 ppm.
The current nitrogen dioxide (NO2) levels at Ferndale, Washington is 2.83 ppb.
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