Today | Weather | Thursday, February 5, 2026

Weather in Tracy, California

05:32 PM
Now
Cloudy Night
63° F
Feels Like 61°
Precipitation 0 %
Wind 6 mph
Humidity 71 %
Today
Cloudy Weather
Day 66°
Night 46°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Tracy Weather Forecast Updated

36 minutes ago
Last updated on

Air Quality in Tracy

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

Pollutant Concentrations:

PM2.5 27.31 µg/m³
PM10 31.24 µg/m³
O3 0.045 ppm
NO2 3.1 ppb
SO2 0.4 ppb
CO 0.23 ppm
NH3 1.26 µg/m³
NO 0.01 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)
PM2.527.31 µg/m³
PM1031.24 µg/m³
O388.51 µg/m³
NO25.78 µg/m³
SO20.93 µg/m³
CO266.82 µg/m³
NH31.26 µg/m³
NO0.01 µg/m³