Today | Weather | Saturday, September 19, 2026

Weather in Santa Maria, California

01:47 AM
Now
Foggy Weather
55° F
Feels Like 55°
Precipitation 0 %
Wind 2 mph
Humidity 100 %
Today
Cloudy Weather
Day 73°
Night 57°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 6

Santa Maria Weather Forecast Updated

8 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Cloudy Night

Day

75°

Night

57°

Wind

4 mph

Precipitation

7 %

Air Quality in Santa Maria

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.74 µg/m³
PM10 23.65 µg/m³
O3 0.044 ppm
NO2 0.4 ppb
SO2 0.4 ppb
CO 0.13 ppm
NH3 0 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)
PM2.56.74 µg/m³
PM1023.65 µg/m³
O387.27 µg/m³
NO20.8 µg/m³
SO20.94 µg/m³
CO144.75 µg/m³
NH30 µg/m³
NO0 µg/m³