Today | Weather | Wednesday, February 25, 2026

Weather in Tracy, California

08:17 PM
Now
Cloudy Night
63° F
Feels Like 61°
Precipitation 1 %
Wind 7 mph
Humidity 88 %
Today
Cloudy Night
Day 72°
Night 52°
Precipitation 10 %
Wind 6 mph

Tracy Weather Forecast Updated

Last updated on

Air Quality in Tracy

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.92 µg/m³
PM10 9.53 µg/m³
O3 0.028 ppm
NO2 3.1 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.1 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)
PM2.55.92 µg/m³
PM109.53 µg/m³
O355.92 µg/m³
NO25.88 µg/m³
SO20.64 µg/m³
CO154.94 µg/m³
NH30.1 µg/m³
NO0 µg/m³