Today | Weather | Sunday, November 2, 2025

Weather in Downey, California

08:11 AM

Now

63° F

Feels Like 63°

Precipitation 37 %

Wind 4 mph

UV Index (0 - 11+) 0

Humidity 89 %

Today

Day 75°

Night 57°

Precipitation 40 %

Wind 5 mph

UV Index (0 - 11+) 4

Downey Weather Forecast Updated

Last updated on November 02, 2025 6:42 AM

Weather Forecast History

Last Year's Weather on This Day (November 2, 2024)

Day

68°

Night

52°

Wind

4 mph

Precipitation

Air Quality in Downey

NOW

62 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 17.49 µg/m³

PM₁₀ 29.44 µg/m³

O₃ 0.048 ppm

NO₂ 0.3 ppb

SO₂ 0.2 ppb

CO 0.12 ppm

NH₃ 0 µg/m³

NO 0.02 µg/m³

PM_2.5 – 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)

PM_2.5 – 17.49 µg/m³

PM₁₀ – 29.44 µg/m³

O₃ – 93.85 µg/m³

NO₂ – 0.51 µg/m³

SO₂ – 0.54 µg/m³

CO – 134.32 µg/m³

NH₃ – 0 µg/m³

NO – 0.02 µg/m³

View Hourly Air Quality Forecast