Today | Weather | Friday, September 26, 2025

Weather in El Monte, California

11:45 AM

Now

75° F

Feels Like 75°

Precipitation 7 %

Wind 6 mph

UV Index (0 - 11+) 11

Humidity 62 %

Today

Day 81°

Night 66°

Precipitation 25 %

Wind 8

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

El Monte Weather Forecast Updated

49 seconds ago

Last updated on September 26, 2025 11:44 AM

Air quality in El Monte

NOW

60 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.52 µg/m³

PM10 15.51 µg/m³

O₃ 46.04 ppb

NO₂ 6.08 ppb

SO₂ 1.75 ppb

CO 149.69 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast