Today | Weather | Monday, January 19, 2026

Weather in Irvine, California

06:07 PM
Now
Cloudy Night
66° F
Feels Like 64°
Precipitation 0 %
Wind 5 mph
Humidity 50 %
Today
Sunny Weather
Day 75°
Night 46°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Irvine Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Cloudy Weather

Day

61°

Night

46°

Wind

4 mph

UV Index

2

Precipitation

0 %

Air Quality in Irvine

NOW
125 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 45.31 µg/m³
PM10 55.97 µg/m³
O3 0.058 ppm
NO2 1.4 ppb
SO2 0.4 ppb
CO 0.24 ppm
NH3 0.1 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.545.31 µg/m³
PM1055.97 µg/m³
O3114.71 µg/m³
NO22.69 µg/m³
SO21.14 µg/m³
CO272.73 µg/m³
NH30.1 µg/m³
NO0 µg/m³