Today | Weather | Thursday, March 26, 2026

Weather in Riverside, California

04:34 PM
Now
Cloudy Weather
88° F
Feels Like 88°
Precipitation 7 %
Wind 10 mph
UV Index (0 - 11+) 2
Humidity 25 %
Today
Sunny Weather
Day 91°
Night 55°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 7

Riverside Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 26, 2025)
Partly Sunny with Showers

Day

66°

Night

52°

Wind

6 mph

UV Index

5

Precipitation

45 %

Air Quality in Riverside

NOW
81 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 21.81 µg/m³
PM10 29.22 µg/m³
O3 0.064 ppm
NO2 0.3 ppb
SO2 0.6 ppb
CO 0.14 ppm
NH3 0 µg/m³
NO 0.06 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.521.81 µg/m³
PM1029.22 µg/m³
O3125.75 µg/m³
NO20.61 µg/m³
SO21.54 µg/m³
CO157.59 µg/m³
NH30 µg/m³
NO0.06 µg/m³