Today | Weather | Thursday, December 11, 2025

Weather in Fremont, California

05:51 AM
Now
Night
41° F
Feels Like 39°
Precipitation 0 %
Wind 5 mph
Humidity 96 %
Today
Cloudy Weather
Day 64°
Night 41°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2

Fremont Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 11, 2024)
Rainy Weather

Day

61°

Night

52°

Wind

9 mph

Precipitation

94 %

Air Quality in Fremont

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

Pollutant Concentrations:

PM2.5 20.76 µg/m³
PM10 28.81 µg/m³
O3 0.015 ppm
NO2 14.8 ppb
SO2 0.8 ppb
CO 0.30 ppm
NH3 0.63 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 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)
PM2.520.76 µg/m³
PM1028.81 µg/m³
O328.74 µg/m³
NO227.85 µg/m³
SO22.15 µg/m³
CO349.36 µg/m³
NH30.63 µg/m³
NO0 µg/m³