Today | Weather | Thursday, October 29, 2026

Weather in Pomona, California

07:27 AM
Now
Cloudy Night
57° F
Feels Like 57°
Precipitation 39 %
Wind 4 mph
Humidity 93 %
Today
Cloudy Weather
Day 77°
Night 59°
Precipitation 3 %
Wind 6 mph
UV Index (0 - 11+) 4

Pomona Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 29, 2025)
Night

Day

93°

Night

61°

Wind

6 mph

Precipitation

0 %

Air Quality in Pomona

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.2 µg/m³
PM10 8.15 µg/m³
O3 0.052 ppm
NO2 0.1 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)
PM2.5 – 3.2 µg/m³
PM10 – 8.15 µg/m³
O3 – 102.07 µg/m³
NO2 – 0.25 µg/m³
SO2 – 0.31 µg/m³
CO – 129.94 µg/m³
NH3 – 0 µg/m³
NO – 0 µg/m³