Today | Weather | Thursday, February 5, 2026

Weather in Marysville, Washington

05:38 PM
Now
Cloudy Night
48° F
Feels Like 46°
Precipitation 0 %
Wind 6 mph
Humidity 89 %
Today
Cloudy Weather
Day 55°
Night 36°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2

Marysville Weather Forecast Updated

Last updated on

Air Quality in Marysville

NOW
36 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.53 µg/m³
PM10 12.22 µg/m³
O3 0.009 ppm
NO2 13.2 ppb
SO2 0.3 ppb
CO 0.32 ppm
NH3 1.33 µg/m³
NO 4.35 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.58.53 µg/m³
PM1012.22 µg/m³
O318.37 µg/m³
NO224.91 µg/m³
SO20.85 µg/m³
CO370.7 µg/m³
NH31.33 µg/m³
NO4.35 µg/m³