Hourly Weather | Today Thursday, October 30, 2025
Round Rock, Texas
6 PM
Sunny Weather
68°
Feels Like 66°
0
Humidity: 26%
Wind: 5 mph
UV Index: 0
7 PM
Night
64°
Feels Like 64°
0
Humidity: 31%
Wind: 5 mph
UV Index: 0
8 PM
Night
63°
Feels Like 63°
0
Humidity: 37%
Wind: 5 mph
UV Index: 0
9 PM
Night
57°
Feels Like 59°
0
Humidity: 42%
Wind: 4 mph
UV Index: 0
10 PM
Night
55°
Feels Like 55°
0
Humidity: 46%
Wind: 4 mph
UV Index: 0
11 PM
Night
54°
Feels Like 54°
0
Humidity: 51%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.039 ppm
  • NO2: 8.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 6.26 µg/m³
  • O3: 0.029 ppm
  • NO2: 15.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 7.18 µg/m³
  • O3: 0.022 ppm
  • NO2: 18.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

9 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 7.99 µg/m³
  • O3: 0.018 ppm
  • NO2: 19 ppb
  • SO2: 0.4 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

10 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.46 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.017 ppm
  • NO2: 19 ppb
  • SO2: 0.3 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

11 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.65 µg/m³
  • PM10: 8.95 µg/m³
  • O3: 0.016 ppm
  • NO2: 18 ppb
  • SO2: 0.3 ppb
  • CO: 0.26 ppm

Health Recommendations:

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