Hourly Weather | Today Thursday, May 21, 2026
Richardson, Texas
5 AM
Cloudy Weather
70°
Feels Like 70°
7
Humidity: 90%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
70°
Feels Like 70°
7
Humidity: 91%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
68°
Feels Like 70°
10
Humidity: 93%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
70°
Feels Like 72°
15
Humidity: 86%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
72°
Feels Like 73°
15
Humidity: 83%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
73°
Feels Like 75°
19
Humidity: 78%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
75°
Feels Like 79°
43
Humidity: 75%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
77°
Feels Like 81°
47
Humidity: 70%
UV Index: 3
Wind: 7 mph
1 PM
Stormy Weather
73°
Feels Like 75°
51
Humidity: 84%
UV Index: 2
Wind: 7 mph
2 PM
Cloudy Weather
73°
Feels Like 81°
40
Humidity: 82%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
73°
Feels Like 79°
34
Humidity: 81%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
75°
Feels Like 77°
39
Humidity: 77%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
73°
Feels Like 75°
49
Humidity: 79%
UV Index: 1
Wind: 7 mph
6 PM
Stormy Weather
72°
Feels Like 68°
74
Humidity: 81%
UV Index: 0
Wind: 7 mph
7 PM
Stormy Weather
72°
Feels Like 66°
74
Humidity: 83%
UV Index: 0
Wind: 7 mph
8 PM
Stormy Weather
72°
Feels Like 66°
66
Humidity: 85%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
70°
Feels Like 70°
49
Humidity: 87%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
70°
Feels Like 70°
49
Humidity: 89%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
70°
Feels Like 70°
49
Humidity: 90%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
13 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 AM
13 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.14 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
13 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
12 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 2.89 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.008 ppm
  • NO2: 1.7 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 AM
11 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 2.92 µg/m³
  • O3: 0.007 ppm
  • NO2: 1.9 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 AM
10 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 2.52 µg/m³
  • PM10: 2.73 µg/m³
  • O3: 0.007 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 AM
9 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 2.48 µg/m³
  • O3: 0.009 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 2.6 µg/m³
  • O3: 0.010 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.012 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.19 µg/m³
  • PM10: 3.52 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 3.58 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.55 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.96 µg/m³
  • PM10: 3.17 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 3.11 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.013 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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