Today | Weather | Saturday, October 24, 2026

Weather in Irvine, California

10:06 AM
Now
Sunny Weather
66° F
Feels Like 70°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 66 %
Today
Sunny Weather
Day 81°
Night 55°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

Irvine Weather Forecast Updated

48 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 24, 2025)
Cloudy Night

Day

73°

Night

57°

Wind

4 mph

Precipitation

0 %

Air Quality in Irvine

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.36 µg/m³
PM10 10.37 µg/m³
O3 0.047 ppm
NO2 1.1 ppb
SO2 0.9 ppb
CO 0.15 ppm
NH3 0.08 µg/m³
NO 0.25 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)
PM2.5 – 6.36 µg/m³
PM10 – 10.37 µg/m³
O3 – 91.99 µg/m³
NO2 – 1.99 µg/m³
SO2 – 2.37 µg/m³
CO – 170.59 µg/m³
NH3 – 0.08 µg/m³
NO – 0.25 µg/m³