Today | Weather | Tuesday, January 6, 2026

Weather in Pasadena, California

09:01 PM
Now
Cloudy Weather
54° F
Feels Like 54°
Precipitation 29 %
Wind 4 mph
Humidity 80 %
Today
Cloudy Weather
Day 63°
Night 46°
Precipitation 6 %
Wind 4 mph
UV Index (0 - 11+) 3

Pasadena Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 6, 2025)
Sunny Weather

Day

73°

Night

52°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Pasadena

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.56 µg/m³
PM10 0.88 µg/m³
O3 0.046 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.56 µg/m³
PM100.88 µg/m³
O390.25 µg/m³
NO20.34 µg/m³
SO20.14 µg/m³
CO122.19 µg/m³
NH30 µg/m³
NO0 µg/m³