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)
44
Good
Ferndale, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.91 μg/m³
0
55
155
255
425
605+
5.85 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
8.18 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ferndale, Washington
Scroll To Air Quality MapLoading...
AQI 49
Good
8.86μg/m³
PM2.5
38.54μg/m³
PM10
8.07ppb
O3
0.23ppb
SO2
12.16ppb
NO2
0.30ppm
CO
AQI 27
Good
4.92μg/m³
PM2.5
20.80μg/m³
PM10
9.46ppb
O3
0.22ppb
SO2
9.37ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.52μg/m³
PM2.5
29.91μg/m³
PM10
5.34ppb
O3
0.22ppb
SO2
12.40ppb
NO2
0.30ppm
CO
AQI 49
Good
8.65μg/m³
PM2.5
38.93μg/m³
PM10
4.92ppb
O3
0.36ppb
SO2
9.31ppb
NO2
0.28ppm
CO
AQI 44
Good
7.64μg/m³
PM2.5
33.77μg/m³
PM10
8.55ppb
O3
0.36ppb
SO2
7.78ppb
NO2
0.26ppm
CO
AQI 44
Good
7.71μg/m³
PM2.5
34.13μg/m³
PM10
8.55ppb
O3
0.36ppb
SO2
8.15ppb
NO2
0.27ppm
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 09:00:00 on 2026-10-22.
The best air quality in Ferndale, Washington was recorded at 01:00:00 on 2026-10-22.
The real-time air quality index in Ferndale, Washington is 44, 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 8.25 μg/m3.
The current PM10 levels in Ferndale, Washington are 31.909 μg/m3.
The current carbon monoxide (CO) level in Ferndale, Washington is 0.294 ppm.
The current sulfur dioxide (SO2) levels in Ferndale, Washington are 0.265 ppb.
The current ozone (O3) levels at Ferndale, Washington is 5.846 ppm.
The current nitrogen dioxide (NO2) levels at Ferndale, Washington is 8.18 ppb.
All Rights Reserved © Ambee Inc. 2025