Hourly Weather | Today Wednesday, August 12, 2026
Galveston, Texas
8 AM
Cloudy Weather
86°
Feels Like 97°
0
Humidity: 81%
UV Index: 2
Wind: 11 mph
9 AM
Cloudy Weather
88°
Feels Like 100°
0
Humidity: 76%
UV Index: 3
Wind: 12 mph
10 AM
Cloudy Weather
88°
Feels Like 102°
0
Humidity: 73%
UV Index: 5
Wind: 12 mph
11 AM
Cloudy Weather
90°
Feels Like 104°
0
Humidity: 72%
UV Index: 7
Wind: 12 mph
12 PM
Cloudy Weather
90°
Feels Like 106°
0
Humidity: 72%
UV Index: 10
Wind: 12 mph
1 PM
Cloudy Weather
90°
Feels Like 108°
0
Humidity: 72%
UV Index: 11
Wind: 14 mph
2 PM
Cloudy Weather
91°
Feels Like 108°
0
Humidity: 68%
UV Index: 10
Wind: 15 mph
3 PM
Cloudy Weather
91°
Feels Like 106°
0
Humidity: 70%
UV Index: 7
Wind: 15 mph
4 PM
Cloudy Weather
90°
Feels Like 104°
0
Humidity: 70%
UV Index: 5
Wind: 15 mph
5 PM
Cloudy Weather
90°
Feels Like 102°
0
Humidity: 70%
UV Index: 3
Wind: 15 mph
6 PM
Cloudy Weather
90°
Feels Like 100°
0
Humidity: 72%
UV Index: 2
Wind: 15 mph
7 PM
Cloudy Weather
88°
Feels Like 97°
0
Humidity: 75%
UV Index: 1
Wind: 15 mph
8 PM
Cloudy Weather
86°
Feels Like 95°
0
Humidity: 77%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
86°
Feels Like 93°
0
Humidity: 78%
UV Index: 0
Wind: 12 mph
10 PM
Night
86°
Feels Like 93°
0
Humidity: 79%
UV Index: 0
Wind: 12 mph
11 PM
Night
86°
Feels Like 93°
0
Humidity: 79%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 5.37 µg/m³
  • O3: 0.019 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

9 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.18 µg/m³
  • PM10: 4.75 µg/m³
  • O3: 0.019 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

10 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 4.14 µg/m³
  • O3: 0.019 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

11 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 3.68 µg/m³
  • O3: 0.020 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

12 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 3.59 µg/m³
  • O3: 0.020 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

1 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.08 µg/m³
  • PM10: 3.85 µg/m³
  • O3: 0.019 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

2 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.019 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

3 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.52 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.020 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

4 PM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.020 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 6.01 µg/m³
  • O3: 0.021 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 6.22 µg/m³
  • O3: 0.022 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 6.52 µg/m³
  • O3: 0.023 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 7.07 µg/m³
  • O3: 0.023 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 7.87 µg/m³
  • O3: 0.024 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 8.56 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 9 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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