Today | Weather | Friday, October 23, 2026

Weather in Corona, California

09:51 PM
Now
Cloudy Night
61° F
Feels Like 61°
Precipitation 35 %
Wind 4 mph
Humidity 89 %
Today
Cloudy Night
Day 72°
Night 52°
Precipitation 49 %
Wind 4 mph

Corona Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 23, 2025)
Night

Day

75°

Night

50°

Wind

4 mph

Precipitation

0 %

Air Quality in Corona

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.21 µg/m³
PM10 4.77 µg/m³
O3 0.049 ppm
NO2 0.6 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.04 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 – 2.21 µg/m³
PM10 – 4.77 µg/m³
O3 – 96.44 µg/m³
NO2 – 1.07 µg/m³
SO2 – 0.65 µg/m³
CO – 132.72 µg/m³
NH3 – 0.04 µg/m³
NO – 0 µg/m³