Hourly Weather | Today Wednesday, April 15, 2026
San Antonio, Texas
6 PM
Cloudy Weather
82°
Feels Like 81°
47
Humidity: 54%
UV Index: 1
Wind: 12 mph
7 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 75°
51
Humidity: 70%
UV Index: 0
Wind: 13 mph
8 PM
Sunny with a Chance of Thunderstorms
77°
Feels Like 75°
51
Humidity: 78%
UV Index: 0
Wind: 13 mph
9 PM
Cloudy Night
75°
Feels Like 75°
47
Humidity: 77%
UV Index: 0
Wind: 13 mph
10 PM
Cloudy Night
75°
Feels Like 73°
40
Humidity: 74%
UV Index: 0
Wind: 13 mph
11 PM
Cloudy Night
75°
Feels Like 73°
34
Humidity: 76%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 4.22 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.65 µg/m³
  • PM10: 5.1 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 9.06 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 10.65 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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