Today | Weather | Thursday, August 21, 2025

Heat Advisory (Issued when high temperatures and humidity create conditions that may be hazardous during outdoor activity or prolonged exposure.)

Weather in Corona, California

10:26 PM

Now

79° F

Feels Like 75°

Precipitation 0 %

Wind 5 mph

Humidity 45 %

Today

Day 102°

Night 68°

Precipitation 0 %

Wind 4 mph

Other:

Clear to partly overcast.

Corona Weather Forecast Updated

Last updated on August 21, 2025 9:22 PM

Last Year's Weather on This Day (August 21, 2024)

97°

61°

8 mph

NOW

83 AQI

Moderate air quality Dominant pollutant: O3

PM2.5 20.21 µg/m³

PM10 21.22 µg/m³

O₃ 35.28 ppb

NO₂ 20.80 ppb

SO₂ 4.51 ppb

CO 240.88 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.