Today | Weather | Thursday, December 4, 2025

Weather in Tracy, California

02:05 AM
Now
Cloudy Night
39° F
Feels Like 37°
Precipitation 0 %
Wind 6 mph
Humidity 83 %
Today
Cloudy Weather
Day 54°
Night 37°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 2

Tracy Weather Forecast Updated

Last updated on

Air Quality in Tracy

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

Pollutant Concentrations:

PM2.5 15.65 µg/m³
PM10 23.59 µg/m³
O3 0.011 ppm
NO2 17.6 ppb
SO2 0.5 ppb
CO 0.30 ppm
NH3 0.98 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)
PM2.515.65 µg/m³
PM1023.59 µg/m³
O321.69 µg/m³
NO233.16 µg/m³
SO21.4 µg/m³
CO344.16 µg/m³
NH30.98 µg/m³
NO0 µg/m³