Today | Weather | Monday, April 27, 2026

Weather in Marysville, Washington

05:42 AM
Now
Cloudy Weather
45° F
Feels Like 43°
Precipitation 38 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 90 %
Today
Cloudy Weather
Day 64°
Night 48°
Precipitation 25 %
Wind 8 mph
UV Index (0 - 11+) 4

Marysville Weather Forecast Updated

42 minutes ago
Last updated on

Air Quality in Marysville

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.11 µg/m³
PM10 8.63 µg/m³
O3 0.028 ppm
NO2 1.1 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.18 µg/m³
NO 0 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)
PM2.54.11 µg/m³
PM108.63 µg/m³
O354.66 µg/m³
NO22.12 µg/m³
SO20.47 µg/m³
CO132.23 µg/m³
NH30.18 µg/m³
NO0 µg/m³