Today | Weather | Sunday, November 1, 2026

Weather in Marysville, Washington

08:37 PM
Now
Cloudy Night
39° F
Feels Like 37°
Precipitation 0 %
Wind 5 mph
Humidity 97 %
Today
Cloudy Night
Day 48°
Night 32°
Precipitation 1 %
Wind 5 mph

Marysville Weather Forecast Updated

40 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 1, 2025)
Rainy Weather

Day

63°

Night

43°

Wind

6 mph

Precipitation

96 %

Air Quality in Marysville

NOW
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.3 µg/m³
PM10 15.28 µg/m³
O3 0.011 ppm
NO2 12.8 ppb
SO2 0.6 ppb
CO 0.28 ppm
NH3 2.35 µg/m³
NO 1.42 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 12.3 µg/m³
PM10 – 15.28 µg/m³
O3 – 20.78 µg/m³
NO2 – 24.11 µg/m³
SO2 – 1.54 µg/m³
CO – 315.22 µg/m³
NH3 – 2.35 µg/m³
NO – 1.42 µg/m³