Today | Weather | Sunday, September 21, 2025

Weather in Garden Grove, California

08:57 PM

Now

72° F

Feels Like 70°

Precipitation 42 %

Wind 5 mph

Humidity 83 %

Today

Day 79°

Night 66°

Precipitation 49 %

Wind 6

Garden Grove Weather Forecast Updated

23 minutes ago

Last updated on September 21, 2025 8:33 PM

Last Year's Weather on This Day (September 21, 2024)

77°

61°

6 mph

NOW

70 AQI

Moderate air quality Dominant pollutant: PM2.5

PM2.5 21.54 µg/m³

PM10 23.03 µg/m³

O₃ 20.25 ppb

NO₂ 29.74 ppb

SO₂ 5.39 ppb

CO 261.82 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

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