Today | Weather | Saturday, October 24, 2026

Weather in Carlsbad, California

02:28 PM
Now
Sunny Weather
75° F
Feels Like 77°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Humidity 56 %
Today
Sunny Weather
Day 75°
Night 54°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 4

Carlsbad Weather Forecast Updated

54 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 24, 2025)
Cloudy Night

Day

72°

Night

57°

Wind

2 mph

Precipitation

0 %

Air Quality in Carlsbad

NOW
67 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.08 µg/m³
PM10 12.46 µg/m³
O3 0.059 ppm
NO2 0.3 ppb
SO2 0.5 ppb
CO 0.14 ppm
NH3 0 µg/m³
NO 0.07 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)
PM2.5 – 9.08 µg/m³
PM10 – 12.46 µg/m³
O3 – 116.5 µg/m³
NO2 – 0.54 µg/m³
SO2 – 1.22 µg/m³
CO – 161.71 µg/m³
NH3 – 0 µg/m³
NO – 0.07 µg/m³