Hourly Weather | Today Monday, April 27, 2026
Chula Vista, California
8 PM
Night
63°
Feels Like 61°
0
Humidity: 59%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 63%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 67%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 69%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
65 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 2.67 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 3.03 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
76 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 3.45 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.