Today | Weather | Sunday, September 13, 2026

Weather in Corona, California

05:00 PM
Now
Sunny Weather
88° F
Feels Like 86°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 2
Humidity 39 %
Today
Cloudy Weather
Day 90°
Night 64°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 7

Corona Weather Forecast Updated

10 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 13, 2025)
Cloudy Night

Day

82°

Night

61°

Wind

5 mph

Precipitation

0 %

Air Quality in Corona

NOW
49 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.7 µg/m³
PM10 23.3 µg/m³
O3 0.053 ppm
NO2 0.3 ppb
SO2 0.4 ppb
CO 0.18 ppm
NH3 0 µg/m³
NO 0.06 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)
PM2.57.7 µg/m³
PM1023.3 µg/m³
O3104.13 µg/m³
NO20.48 µg/m³
SO20.93 µg/m³
CO202.18 µg/m³
NH30 µg/m³
NO0.06 µg/m³