Today | Weather | Thursday, October 30, 2025

Weather in Santa Clarita, California

11:35 AM

Now

84° F

Feels Like 88°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Humidity 15 %

Today

Day 93°

Night 55°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Santa Clarita Weather Forecast Updated

25 minutes ago

Last updated on October 30, 2025 11:10 AM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

72°

Night

43°

Wind

4 mph

Precipitation

Air Quality in Santa Clarita

NOW

63 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 18.04 µg/m³

PM₁₀ 30.97 µg/m³

O₃ 0.041 ppm

NO₂ 3.4 ppb

SO₂ 0.3 ppb

CO 0.19 ppm

NH₃ 0.12 µg/m³

NO 1.66 µg/m³

PM_2.5 – 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)

PM_2.5 – 18.04 µg/m³

PM₁₀ – 30.97 µg/m³

O₃ – 81.16 µg/m³

NO₂ – 6.35 µg/m³

SO₂ – 0.86 µg/m³

CO – 215.59 µg/m³

NH₃ – 0.12 µg/m³

NO – 1.66 µg/m³

View Hourly Air Quality Forecast