Today | Weather | Monday, October 26, 2026

Weather in Roseville, California

01:40 PM
Now
Sunny Weather
70° F
Feels Like 73°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3
Humidity 37 %
Today
Sunny Weather
Day 72°
Night 46°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3

Roseville Weather Forecast Updated

22 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 26, 2025)
Cloudy Night

Day

64°

Night

50°

Wind

7 mph

Precipitation

2 %

Air Quality in Roseville

NOW
50 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.36 µg/m³
PM10 9.77 µg/m³
O3 0.053 ppm
NO2 2.2 ppb
SO2 0.9 ppb
CO 0.13 ppm
NH3 0.18 µg/m³
NO 0.9 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)
PM2.5 – 4.36 µg/m³
PM10 – 9.77 µg/m³
O3 – 105.03 µg/m³
NO2 – 4.18 µg/m³
SO2 – 2.29 µg/m³
CO – 145.04 µg/m³
NH3 – 0.18 µg/m³
NO – 0.9 µg/m³