Today | Weather | Wednesday, February 4, 2026

Weather in El Monte, California

02:53 PM
Now
Sunny Weather
91° F
Feels Like 88°
Precipitation 0 %
Wind 20 mph
UV Index (0 - 11+) 2
Humidity 10 %
Today
Sunny Weather
Day 91°
Night 57°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 4

El Monte Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (February 4, 2025)
Cloudy Weather

Day

66°

Night

54°

Wind

4 mph

UV Index

4

Precipitation

7 %

Air Quality in El Monte

NOW
99 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 34.96 µg/m³
PM10 46.34 µg/m³
O3 0.062 ppm
NO2 21.4 ppb
SO2 1.2 ppb
CO 0.40 ppm
NH3 0.8 µg/m³
NO 5.72 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.534.96 µg/m³
PM1046.34 µg/m³
O3121.3 µg/m³
NO240.35 µg/m³
SO23.24 µg/m³
CO460.48 µg/m³
NH30.8 µg/m³
NO5.72 µg/m³