Today | Weather | Tuesday, February 24, 2026

Weather in San Diego, California

01:50 PM
Now
Cloudy Weather
72° F
Feels Like 73°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Humidity 56 %
Today
Cloudy Weather
Day 72°
Night 54°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 4

San Diego Weather Forecast Updated

25 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 24, 2025)
Sunny Weather

Day

70°

Night

48°

Wind

6 mph

UV Index

5

Precipitation

0 %

Air Quality in San Diego

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.65 µg/m³
PM10 19.04 µg/m³
O3 0.052 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0 µg/m³
NO 0.05 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)
PM2.59.65 µg/m³
PM1019.04 µg/m³
O3101.99 µg/m³
NO20.29 µg/m³
SO20.44 µg/m³
CO138.05 µg/m³
NH30 µg/m³
NO0.05 µg/m³