Today | Weather | Tuesday, April 7, 2026

Weather in Tracy, California

11:47 AM
Now
Cloudy Weather
72° F
Feels Like 77°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 7
Humidity 39 %
Today
Cloudy Weather
Day 79°
Night 54°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 7

Tracy Weather Forecast Updated

40 minutes ago
Last updated on

Air Quality in Tracy

NOW
66 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.44 µg/m³
PM10 9.73 µg/m³
O3 0.059 ppm
NO2 0.5 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 0.1 µg/m³
NO 0.18 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)
PM2.54.44 µg/m³
PM109.73 µg/m³
O3115.79 µg/m³
NO20.93 µg/m³
SO21.02 µg/m³
CO136.76 µg/m³
NH30.1 µg/m³
NO0.18 µg/m³