Today | Weather | Thursday, October 30, 2025

Weather in Corona, California

11:27 AM

Now

84° F

Feels Like 88°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 3

Humidity 18 %

Today

Day 93°

Night 55°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Corona Weather Forecast Updated

29 minutes ago

Last updated on October 30, 2025 10:58 AM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

73°

Night

46°

Wind

4 mph

Precipitation

Air Quality in Corona

NOW

72 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 22.47 µg/m³

PM₁₀ 34.27 µg/m³

O₃ 0.043 ppm

NO₂ 0.6 ppb

SO₂ 0.2 ppb

CO 0.17 ppm

NH₃ 0.05 µg/m³

NO 0.19 µg/m³

PM_2.5 – 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)

PM_2.5 – 22.47 µg/m³

PM₁₀ – 34.27 µg/m³

O₃ – 84.89 µg/m³

NO₂ – 1.16 µg/m³

SO₂ – 0.45 µg/m³

CO – 199.52 µg/m³

NH₃ – 0.05 µg/m³

NO – 0.19 µg/m³

View Hourly Air Quality Forecast