Hourly Weather | Today Monday, April 6, 2026
San Diego, California
1 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 84%
UV Index: 0
Wind: 5 mph
2 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
3 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
4 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Night
59°
Feels Like 59°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
8 AM
Foggy Weather
63°
Feels Like 63°
0
Humidity: 82%
UV Index: 1
Wind: 5 mph
9 AM
Foggy Weather
64°
Feels Like 64°
0
Humidity: 77%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
66°
Feels Like 66°
0
Humidity: 70%
UV Index: 1
Wind: 7 mph
11 AM
Foggy Weather
70°
Feels Like 70°
0
Humidity: 64%
UV Index: 2
Wind: 7 mph
12 PM
Foggy Weather
72°
Feels Like 75°
0
Humidity: 60%
UV Index: 8
Wind: 8 mph
1 PM
Foggy Weather
72°
Feels Like 79°
0
Humidity: 57%
UV Index: 8
Wind: 9 mph
2 PM
Cloudy Weather
72°
Feels Like 77°
0
Humidity: 54%
UV Index: 8
Wind: 10 mph
3 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 57%
UV Index: 5
Wind: 10 mph
4 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 61%
UV Index: 4
Wind: 10 mph
5 PM
Cloudy Weather
68°
Feels Like 68°
0
Humidity: 66%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 69%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 75%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 87%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 88%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 89%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.98 µg/m³
  • PM10: 30.56 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 AM
65 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.49 µg/m³
  • PM10: 31.63 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

3 AM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.44 µg/m³
  • PM10: 32.18 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 AM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.6 µg/m³
  • PM10: 31.83 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 AM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 15.37 µg/m³
  • PM10: 30.92 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 AM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 14.05 µg/m³
  • PM10: 29.55 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 AM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.84 µg/m³
  • PM10: 28.1 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 AM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.82 µg/m³
  • PM10: 26.9 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 AM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.06 µg/m³
  • PM10: 25.98 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.52 µg/m³
  • PM10: 25.45 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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 AM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.08 µg/m³
  • PM10: 25.15 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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.

12 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.71 µg/m³
  • PM10: 24.8 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

1 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.45 µg/m³
  • PM10: 24.54 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

2 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.27 µg/m³
  • PM10: 24.4 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

3 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.12 µg/m³
  • PM10: 24.23 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

4 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.93 µg/m³
  • PM10: 23.98 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

5 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.72 µg/m³
  • PM10: 23.8 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

6 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.46 µg/m³
  • PM10: 23.71 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 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.

7 PM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 23.63 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 7.78 µg/m³
  • PM10: 23.41 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.44 µg/m³
  • PM10: 22.96 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.1 µg/m³
  • PM10: 22.29 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.82 µg/m³
  • PM10: 21.66 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 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.