Today | Weather | Wednesday, May 20, 2026

Weather in Marysville, Washington

02:54 PM
Now
Cloudy Weather
64° F
Feels Like 70°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 6
Humidity 63 %
Today
Cloudy Weather
Day 66°
Night 46°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 7

Marysville Weather Forecast Updated

Last updated on

Air Quality in Marysville

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.18 µg/m³
PM10 3.76 µg/m³
O3 0.034 ppm
NO2 1.3 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 0.27 µg/m³
NO 0.47 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)
PM2.52.18 µg/m³
PM103.76 µg/m³
O367.42 µg/m³
NO22.37 µg/m³
SO21.56 µg/m³
CO125.28 µg/m³
NH30.27 µg/m³
NO0.47 µg/m³