Today | Weather | Friday, June 5, 2026

Weather in Chula Vista, California

05:34 PM
Now
Cloudy Weather
66° F
Feels Like 68°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 76 %
Today
Cloudy Weather
Day 70°
Night 63°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 5

Chula Vista Weather Forecast Updated

3 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 5, 2025)
Cloudy Weather

Day

68°

Night

63°

Wind

8 mph

UV Index

11

Precipitation

3 %

Air Quality in Chula Vista

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.88 µg/m³
PM10 16.33 µg/m³
O3 0.044 ppm
NO2 0.1 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0 µg/m³
NO 0.02 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.54.88 µg/m³
PM1016.33 µg/m³
O386.06 µg/m³
NO20.23 µg/m³
SO20.51 µg/m³
CO100.62 µg/m³
NH30 µg/m³
NO0.02 µg/m³