Hourly Weather | Today Tuesday, February 24, 2026
Round Rock, Texas
6 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 38%
UV Index: 0
Wind: 13 mph
7 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 44%
UV Index: 0
Wind: 15 mph
8 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 50%
UV Index: 0
Wind: 16 mph
9 PM
Cloudy Night
64°
Feels Like 59°
0
Humidity: 58%
UV Index: 0
Wind: 16 mph
10 PM
Cloudy Night
63°
Feels Like 55°
0
Humidity: 66%
UV Index: 0
Wind: 17 mph
11 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 72%
UV Index: 0
Wind: 17 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.77 µg/m³
  • PM10: 10.53 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 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 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 10.96 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 ppb
  • SO2: 0.8 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 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 11.28 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.1 ppb
  • SO2: 0.9 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.

9 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 11.18 µg/m³
  • O3: 0.055 ppm
  • NO2: 2 ppb
  • SO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 4.84 µg/m³
  • PM10: 10.43 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 9.84 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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