Today | Weather | Saturday, January 3, 2026

Weather in Pomona, California

01:11 PM
Now
Rainy Weather
63° F
Feels Like 63°
Precipitation 66 %
Wind 5 mph
UV Index (0 - 11+) 1
Humidity 76 %
Today
Rainy Weather
Day 64°
Night 54°
Precipitation 100 %
Wind 5 mph
UV Index (0 - 11+) 1

Pomona Weather Forecast Updated

37 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 3, 2025)
Cloudy Weather

Day

70°

Night

43°

Wind

4 mph

UV Index

2

Precipitation

0 %

Air Quality in Pomona

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.65 µg/m³
PM10 3.16 µg/m³
O3 0.038 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.01 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)
PM2.51.65 µg/m³
PM103.16 µg/m³
O373.76 µg/m³
NO20.53 µg/m³
SO20.26 µg/m³
CO118.27 µg/m³
NH30 µg/m³
NO0.01 µg/m³