Today | Weather | Sunday, October 25, 2026

Weather in El Monte, California

06:59 AM
Now
Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 4 mph
Humidity 72 %
Today
Cloudy Weather
Day 82°
Night 57°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

El Monte Weather Forecast Updated

8 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 25, 2025)
Cloudy Night

Day

73°

Night

55°

Wind

4 mph

Precipitation

0 %

Air Quality in El Monte

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.71 µg/m³
PM10 16.9 µg/m³
O3 0.048 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.14 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 – 8.71 µg/m³
PM10 – 16.9 µg/m³
O3 – 93.48 µg/m³
NO2 – 0.43 µg/m³
SO2 – 0.53 µg/m³
CO – 155.72 µg/m³
NH3 – 0 µg/m³
NO – 0 µg/m³