Today | Weather | Saturday, October 24, 2026

Weather in Irvine, California

06:33 PM
Now
Night
70° F
Feels Like 68°
Precipitation 0 %
Wind 6 mph
Humidity 68 %
Today
Sunny Weather
Day 75°
Night 55°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 4

Irvine Weather Forecast Updated

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
53 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.19 µg/m³
PM10 12.72 µg/m³
O3 0.055 ppm
NO2 0.4 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.07 µg/m³
NO 0 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)
PM2.5 – 7.19 µg/m³
PM10 – 12.72 µg/m³
O3 – 107.94 µg/m³
NO2 – 0.68 µg/m³
SO2 – 0.87 µg/m³
CO – 152.48 µg/m³
NH3 – 0.07 µg/m³
NO – 0 µg/m³