Hourly Weather | Today Wednesday, May 20, 2026
Santa Barbara, California
5 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 32%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
77°
Feels Like 77°
0
Humidity: 36%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 73°
0
Humidity: 41%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 51%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 57%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 59%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 57%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.37 µg/m³
  • PM10: 23.73 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.16 µg/m³
  • PM10: 23.58 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.96 µg/m³
  • PM10: 23.32 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.81 µg/m³
  • PM10: 23.15 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.64 µg/m³
  • PM10: 22.73 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.58 µg/m³
  • PM10: 22.73 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.51 µg/m³
  • PM10: 22.76 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.