Today | Weather | Wednesday, February 25, 2026

Weather in Santa Monica, California

08:22 PM
Now
Cloudy Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 85 %
Today
Cloudy Night
Day 64°
Night 55°
Precipitation 0 %
Wind 5 mph

Santa Monica Weather Forecast Updated

Last updated on

Air Quality in Santa Monica

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.15 µg/m³
PM10 9.97 µg/m³
O3 0.039 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0 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)
PM2.54.15 µg/m³
PM109.97 µg/m³
O377.32 µg/m³
NO20.61 µg/m³
SO20.37 µg/m³
CO117.55 µg/m³
NH30 µg/m³
NO0 µg/m³