Today | Weather | Thursday, October 30, 2025

Weather in Carlsbad, California

11:37 AM

Now

81° F

Feels Like 82°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 4

Humidity 29 %

Today

Day 81°

Night 52°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Carlsbad Weather Forecast Updated

54 minutes ago

Last updated on October 30, 2025 10:42 AM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

73°

Night

45°

Wind

2 mph

Precipitation

Air Quality in Carlsbad

NOW

72 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 22.24 µg/m³

PM₁₀ 38.04 µg/m³

O₃ 0.049 ppm

NO₂ 0.8 ppb

SO₂ 0.2 ppb

CO 0.16 ppm

NH₃ 0.06 µg/m³

NO 0.27 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 – 22.24 µg/m³

PM₁₀ – 38.04 µg/m³

O₃ – 95.64 µg/m³

NO₂ – 1.42 µg/m³

SO₂ – 0.65 µg/m³

CO – 181.86 µg/m³

NH₃ – 0.06 µg/m³

NO – 0.27 µg/m³

View Hourly Air Quality Forecast