Today | Weather | Thursday, February 5, 2026

Weather in Santa Monica, California

05:36 PM
Now
Cloudy Night
70° F
Feels Like 66°
Precipitation 0 %
Wind 6 mph
Humidity 50 %
Today
Cloudy Weather
Day 81°
Night 57°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

Santa Monica Weather Forecast Updated

39 minutes ago
Last updated on

Air Quality in Santa Monica

NOW
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 59.22 µg/m³
PM10 76.76 µg/m³
O3 0.056 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.29 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:

Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.

Show raw pollutant concentrations (µg/m³)
PM2.559.22 µg/m³
PM1076.76 µg/m³
O3110.91 µg/m³
NO20.71 µg/m³
SO20.26 µg/m³
CO326.77 µg/m³
NH30 µg/m³
NO0 µg/m³