Today | Weather | Friday, October 31, 2025

Weather in Santa Maria, California

11:52 PM

Now

52° F

Feels Like 52°

Precipitation 37 %

Wind 5 mph

Humidity 97 %

Today

Day 73°

Night 48°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Santa Maria Weather Forecast Updated

Last updated on October 31, 2025 10:36 PM

Weather Forecast History

Last Year's Weather on This Day (October 31, 2024)

Day

66°

Night

43°

Wind

8 mph

UV Index

Precipitation

Air Quality in Santa Maria

NOW

40 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 8.05 µg/m³

PM₁₀ 24.4 µg/m³

O₃ 0.043 ppm

NO₂ 0.7 ppb

SO₂ 0.4 ppb

CO 0.09 ppm

NH₃ 0 µg/m³

NO 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 8.05 µg/m³

PM₁₀ – 24.4 µg/m³

O₃ – 83.98 µg/m³

NO₂ – 1.39 µg/m³

SO₂ – 1.12 µg/m³

CO – 103.65 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast