Today | Weather | Tuesday, September 1, 2026

Weather in Marysville, Washington

08:33 AM
Now
Cloudy Weather
61° F
Feels Like 61°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 85 %
Today
Cloudy Weather
Day 73°
Night 59°
Precipitation 13 %
Wind 8 mph
UV Index (0 - 11+) 5

Marysville Weather Forecast Updated

33 minutes ago
Last updated on

Air Quality in Marysville

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

Pollutant Concentrations:

PM2.5 4.7 µg/m³
PM10 7.07 µg/m³
O3 0.016 ppm
NO2 2.6 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.2 µg/m³
NO 0.32 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)
PM2.54.7 µg/m³
PM107.07 µg/m³
O330.91 µg/m³
NO24.83 µg/m³
SO20.87 µg/m³
CO124.47 µg/m³
NH30.2 µg/m³
NO0.32 µg/m³