Today | Weather | Tuesday, August 11, 2026

Weather in Irvine, California

08:14 AM
Now
Cloudy Weather
72° F
Feels Like 73°
Precipitation 3 %
Wind 2 mph
UV Index (0 - 11+) 0
Humidity 79 %
Today
Cloudy Weather
Day 84°
Night 68°
Precipitation 6 %
Wind 7 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Irvine Weather Forecast Updated

20 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 11, 2025)
Cloudy Night

Day

81°

Night

64°

Wind

5 mph

Precipitation

0 %

Air Quality in Irvine

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.59 µg/m³
PM10 18.5 µg/m³
O3 0.039 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.06 ppm
NH3 0 µg/m³
NO 0.01 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)
PM2.57.59 µg/m³
PM1018.5 µg/m³
O376.8 µg/m³
NO20.32 µg/m³
SO20.27 µg/m³
CO72.76 µg/m³
NH30 µg/m³
NO0.01 µg/m³