Today | Weather | Thursday, February 26, 2026

Weather in Tracy, California

12:23 AM
Now
Cloudy Night
57° F
Feels Like 55°
Precipitation 0 %
Wind 6 mph
Humidity 87 %
Today
Cloudy Weather
Day 72°
Night 52°
Precipitation 4 %
Wind 7 mph
UV Index (0 - 11+) 4

Tracy Weather Forecast Updated

40 minutes ago
Last updated on

Air Quality in Tracy

NOW
24 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.65 µg/m³
PM10 8.87 µg/m³
O3 0.022 ppm
NO2 3.7 ppb
SO2 0.3 ppb
CO 0.15 ppm
NH3 0.13 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)
PM2.55.65 µg/m³
PM108.87 µg/m³
O343.52 µg/m³
NO26.89 µg/m³
SO20.78 µg/m³
CO170.61 µg/m³
NH30.13 µg/m³
NO0 µg/m³