Today | Weather | Sunday, April 26, 2026

Weather in Carlsbad, California

05:06 AM
Now
Rainy Weather
55° F
Feels Like 52°
Precipitation 66 %
Wind 5 mph
Humidity 94 %
Today
Cloudy Weather
Day 70°
Night 54°
Precipitation 49 %
Wind 10 mph
UV Index (0 - 11+) 6

Carlsbad Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Partly Sunny with Showers

Day

64°

Night

50°

Wind

9 mph

UV Index

3

Precipitation

87 %

Air Quality in Carlsbad

NOW
54 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.71 µg/m³
PM10 2.4 µg/m³
O3 0.055 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0 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)
PM2.50.71 µg/m³
PM102.4 µg/m³
O3108.56 µg/m³
NO20.16 µg/m³
SO20.25 µg/m³
CO127.99 µg/m³
NH30 µg/m³
NO0 µg/m³