Today | Weather | Thursday, October 22, 2026

Weather in Riverside, California

11:32 PM
Today
Rainy Night
Day 66°
Night 57°
Precipitation 59 %
Wind 6 mph

Riverside Weather Forecast Updated

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

Day

73°

Night

54°

Wind

5 mph

Precipitation

1 %

Air Quality in Riverside

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.8 µg/m³
PM10 1.98 µg/m³
O3 0.042 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.05 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)
PM2.5 – 0.8 µg/m³
PM10 – 1.98 µg/m³
O3 – 82.42 µg/m³
NO2 – 0.98 µg/m³
SO2 – 0.25 µg/m³
CO – 128.13 µg/m³
NH3 – 0.05 µg/m³
NO – 0 µg/m³