Today | Weather | Tuesday, January 20, 2026

Weather in Orange, California

12:55 AM
Now
Cloudy Night
54° F
Feels Like 54°
Precipitation 0 %
Wind 5 mph
Humidity 74 %
Today
Sunny Weather
Day 75°
Night 48°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 3

Orange Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Cloudy Weather

Day

68°

Night

48°

Wind

12 mph

UV Index

3

Precipitation

0 %

Air Quality in Orange

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

Pollutant Concentrations:

PM2.5 46.96 µg/m³
PM10 55.99 µg/m³
O3 0.053 ppm
NO2 1 ppb
SO2 0.6 ppb
CO 0.28 ppm
NH3 0.09 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)
PM2.546.96 µg/m³
PM1055.99 µg/m³
O3103.55 µg/m³
NO21.86 µg/m³
SO21.52 µg/m³
CO317.19 µg/m³
NH30.09 µg/m³
NO0 µg/m³