Today | Weather | Monday, January 5, 2026

Weather in Tracy, California

06:05 AM
Now
Rainy Weather
48° F
Feels Like 41°
Precipitation 63 %
Wind 8 mph
Humidity 95 %
Today
Rainy Weather
Day 57°
Night 45°
Precipitation 85 %
Wind 10 mph
UV Index (0 - 11+) 1

Tracy Weather Forecast Updated

Last updated on

Air Quality in Tracy

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.55 µg/m³
PM10 1.42 µg/m³
O3 0.045 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.04 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.55 µg/m³
PM101.42 µg/m³
O388.85 µg/m³
NO20.68 µg/m³
SO20.16 µg/m³
CO119.08 µg/m³
NH30.04 µg/m³
NO0 µg/m³