Today | Weather | Thursday, September 24, 2026

Weather in Riverside, California

09:00 PM
Now
Cloudy Night
77° F
Feels Like 75°
Precipitation 0 %
Wind 6 mph
Humidity 67 %
Today
Night
Day 90°
Night 64°
Precipitation 0 %
Wind 4 mph

Riverside Weather Forecast Updated

15 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 24, 2025)
Night

Day

90°

Night

64°

Wind

5 mph

Precipitation

1 %

Air Quality in Riverside

NOW
47 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 11.21 µg/m³
PM10 26.61 µg/m³
O3 0.051 ppm
NO2 0.5 ppb
SO2 0.3 ppb
CO 0.12 ppm
NH3 0.03 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 – 11.21 µg/m³
PM10 – 26.61 µg/m³
O3 – 99.78 µg/m³
NO2 – 1 µg/m³
SO2 – 0.69 µg/m³
CO – 134.56 µg/m³
NH3 – 0.03 µg/m³
NO – 0 µg/m³