Today | Weather | Tuesday, January 13, 2026

Weather in Daly City, California

12:30 PM
Now
Cloudy Weather
59° F
Feels Like 59°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 3
Humidity 64 %
Today
Sunny Weather
Day 63°
Night 45°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3

Daly City Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 13, 2025)
Sunny Weather

Day

63°

Night

43°

Wind

14 mph

UV Index

3

Precipitation

0 %

Air Quality in Daly City

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

Pollutant Concentrations:

PM2.5 25.87 µg/m³
PM10 33.51 µg/m³
O3 0.032 ppm
NO2 8.6 ppb
SO2 1.1 ppb
CO 0.29 ppm
NH3 0.36 µg/m³
NO 4.73 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)
PM2.525.87 µg/m³
PM1033.51 µg/m³
O363.8 µg/m³
NO216.16 µg/m³
SO22.87 µg/m³
CO334.79 µg/m³
NH30.36 µg/m³
NO4.73 µg/m³