Hourly Weather | Today Saturday, July 18, 2026
Las Vegas, Nevada
8 AM
Cloudy Weather
82°
Feels Like 82°
2
Humidity: 55%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
86°
Feels Like 88°
2
Humidity: 50%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
90°
Feels Like 93°
3
Humidity: 42%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
93°
Feels Like 99°
4
Humidity: 35%
UV Index: 7
Wind: 7 mph
12 PM
Cloudy Weather
97°
Feels Like 102°
4
Humidity: 31%
UV Index: 10
Wind: 7 mph
1 PM
Cloudy Weather
99°
Feels Like 106°
6
Humidity: 27%
UV Index: 11
Wind: 7 mph
2 PM
Cloudy Weather
99°
Feels Like 106°
12
Humidity: 25%
UV Index: 10
Wind: 7 mph
3 PM
Cloudy Weather
100°
Feels Like 106°
12
Humidity: 22%
UV Index: 7
Wind: 7 mph
4 PM
Cloudy Weather
100°
Feels Like 104°
16
Humidity: 21%
UV Index: 5
Wind: 7 mph
5 PM
Cloudy Weather
100°
Feels Like 102°
43
Humidity: 20%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
102°
Feels Like 102°
47
Humidity: 19%
UV Index: 2
Wind: 8 mph
7 PM
Sunny with a Chance of Thunderstorms
100°
Feels Like 95°
51
Humidity: 22%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
99°
Feels Like 97°
4
Humidity: 24%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
99°
Feels Like 97°
1
Humidity: 23%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
99°
Feels Like 95°
1
Humidity: 25%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
97°
Feels Like 93°
1
Humidity: 27%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.33 µg/m³
  • PM10: 31.3 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.81 µg/m³
  • PM10: 29.79 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.85 µg/m³
  • PM10: 30.86 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.31 µg/m³
  • PM10: 33.17 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.64 µg/m³
  • PM10: 30.34 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.89 µg/m³
  • PM10: 25.92 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.55 µg/m³
  • PM10: 24.52 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.52 µg/m³
  • PM10: 24.24 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.43 µg/m³
  • PM10: 23.96 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.36 µg/m³
  • PM10: 23.85 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.53 µg/m³
  • PM10: 24.6 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 26.17 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.08 µg/m³
  • PM10: 27.98 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.32 µg/m³
  • PM10: 29.94 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.61 µg/m³
  • PM10: 31.23 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 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
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.16 µg/m³
  • PM10: 31.25 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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