Today | Weather | Thursday, September 18, 2025

Weather in Santa Clara, California

10:09 PM
Now
Rainy Weather
66° F
Feels Like 61°
Precipitation 52 %
Wind 6 mph
Humidity 81 %
Today
Rainy Weather
Day 82°
Night 64°
Precipitation 84 %
Wind 8

Santa Clara Weather Forecast Updated

22 minutes ago
Last updated on

Air quality in Santa Clara

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

Pollutant Concentrations:

PM2.5 10.60 µg/m³
PM10 20.28 µg/m³
O₃ 27.74 ppb
NO₂ 12.13 ppb
SO₂ 1.17 ppb
CO 189.94 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.