Today | Weather | Monday, January 19, 2026

Weather in Corona, California

01:38 AM
Now
Cloudy Night
52° F
Feels Like 52°
Precipitation 0 %
Wind 6 mph
Humidity 50 %
Today
Sunny Weather
Day 81°
Night 52°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 3

Corona Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Partly Sunny with Showers

Day

59°

Night

43°

Wind

4 mph

UV Index

3

Precipitation

49 %

Air Quality in Corona

NOW
64 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 18.58 µg/m³
PM10 27.58 µg/m³
O3 0.038 ppm
NO2 1.2 ppb
SO2 0.2 ppb
CO 0.19 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 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)
PM2.518.58 µg/m³
PM1027.58 µg/m³
O375.14 µg/m³
NO22.31 µg/m³
SO20.6 µg/m³
CO215.03 µg/m³
NH30.03 µg/m³
NO0 µg/m³