Today | Weather | Sunday, April 26, 2026

Weather in Irvine, California

02:13 PM
Now
Cloudy Weather
70° F
Feels Like 72°
Precipitation 25 %
Wind 12 mph
UV Index (0 - 11+) 5
Humidity 49 %
Today
Cloudy Weather
Day 70°
Night 55°
Precipitation 49 %
Wind 9 mph
UV Index (0 - 11+) 6

Irvine Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Rainy Weather

Day

64°

Night

52°

Wind

9 mph

UV Index

10

Precipitation

91 %

Air Quality in Irvine

NOW
52 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.56 µg/m³
PM10 1.61 µg/m³
O3 0.055 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0.02 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)
PM2.50.56 µg/m³
PM101.61 µg/m³
O3107.27 µg/m³
NO20.14 µg/m³
SO20.27 µg/m³
CO120.31 µg/m³
NH30 µg/m³
NO0.02 µg/m³