Today | Weather | Sunday, March 15, 2026

Weather in El Monte, California

02:11 PM
Now
Sunny Weather
79° F
Feels Like 84°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 5
Humidity 34 %
Today
Sunny Weather
Day 84°
Night 57°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 6

El Monte Weather Forecast Updated

27 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

66°

Night

45°

Wind

4 mph

UV Index

6

Precipitation

1 %

Air Quality in El Monte

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

Pollutant Concentrations:

PM2.5 13.05 µg/m³
PM10 23.04 µg/m³
O3 0.047 ppm
NO2 0.1 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0.04 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)
PM2.513.05 µg/m³
PM1023.04 µg/m³
O391.32 µg/m³
NO20.2 µg/m³
SO20.44 µg/m³
CO126.04 µg/m³
NH30 µg/m³
NO0.04 µg/m³