Today | Weather | Wednesday, February 25, 2026

Weather in Pomona, California

11:48 PM
Now
Cloudy Night
61° F
Feels Like 59°
Precipitation 0 %
Wind 5 mph
Humidity 81 %
Today
Cloudy Weather
Day 82°
Night 55°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 5

Pomona Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 25, 2025)
Cloudy Weather

Day

79°

Night

52°

Wind

6 mph

UV Index

5

Precipitation

0 %

Air Quality in Pomona

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.85 µg/m³
PM10 12.8 µg/m³
O3 0.035 ppm
NO2 2 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.12 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)
PM2.55.85 µg/m³
PM1012.8 µg/m³
O368.3 µg/m³
NO23.78 µg/m³
SO20.73 µg/m³
CO154.4 µg/m³
NH30.12 µg/m³
NO0 µg/m³