Today | Weather | Wednesday, April 1, 2026

Weather in Corona, California

06:26 AM
Now
Cloudy Weather
55° F
Feels Like 55°
Precipitation 34 %
Wind 6 mph
Humidity 96 %
Today
Cloudy Weather
Day 73°
Night 55°
Precipitation 25 %
Wind 9 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Corona Weather Forecast Updated

36 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 1, 2025)
Cloudy Weather

Day

68°

Night

46°

Wind

12 mph

UV Index

8

Precipitation

8 %

Air Quality in Corona

NOW
52 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.68 µg/m³
PM10 5.66 µg/m³
O3 0.055 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0 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)
PM2.53.68 µg/m³
PM105.66 µg/m³
O3107.22 µg/m³
NO20.48 µg/m³
SO20.55 µg/m³
CO122.8 µg/m³
NH30 µg/m³
NO0 µg/m³