Today | Weather | Tuesday, February 24, 2026

Weather in Irvine, California

01:46 PM
Now
Cloudy Weather
75° F
Feels Like 79°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 4
Humidity 43 %
Today
Cloudy Weather
Day 77°
Night 52°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 5

Irvine Weather Forecast Updated

31 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 24, 2025)
Sunny Weather

Day

77°

Night

50°

Wind

4 mph

UV Index

5

Precipitation

0 %

Air Quality in Irvine

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.51 µg/m³
PM10 13.94 µg/m³
O3 0.048 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.01 µg/m³
NO 0.07 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)
PM2.56.51 µg/m³
PM1013.94 µg/m³
O394.37 µg/m³
NO20.4 µg/m³
SO20.4 µg/m³
CO134.53 µg/m³
NH30.01 µg/m³
NO0.07 µg/m³