Today | Weather | Tuesday, April 7, 2026

Weather in Santa Rosa, California

06:40 AM
Now
Cloudy Weather
46° F
Feels Like 45°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 0
Humidity 90 %
Today
Cloudy Weather
Day 72°
Night 46°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 6

Santa Rosa Weather Forecast Updated

49 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 7, 2025)
Cloudy Weather

Day

68°

Night

46°

Wind

7 mph

UV Index

6

Precipitation

25 %

Air Quality in Santa Rosa

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.81 µg/m³
PM10 9.23 µg/m³
O3 0.051 ppm
NO2 0.4 ppb
SO2 0.4 ppb
CO 0.11 ppm
NH3 0.02 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)
PM2.53.81 µg/m³
PM109.23 µg/m³
O3100.41 µg/m³
NO20.74 µg/m³
SO20.98 µg/m³
CO129.53 µg/m³
NH30.02 µg/m³
NO0 µg/m³