Today | Weather | Tuesday, November 11, 2025

Weather in Antioch, California

02:10 AM
Now
Cloudy Night
57° F
Feels Like 57°
Precipitation 0 %
Wind 4 mph
Humidity 84 %
Today
Cloudy Weather
Day 73°
Night 55°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Antioch Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 11, 2024)
Cloudy Night

Day

61°

Night

43°

Wind

6 mph

Precipitation

7 %

Air Quality in Antioch

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

Pollutant Concentrations:

PM2.5 15.67 µg/m³
PM10 23.51 µg/m³
O3 0.014 ppm
NO2 13.2 ppb
SO2 0.5 ppb
CO 0.24 ppm
NH3 0.4 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)
PM2.515.67 µg/m³
PM1023.51 µg/m³
O327.51 µg/m³
NO224.92 µg/m³
SO21.23 µg/m³
CO272 µg/m³
NH30.4 µg/m³
NO0 µg/m³