Hourly Weather | Today Wednesday, August 5, 2026
Active Weather Warnings
Las Vegas, Nevada
8 AM
Sunny Weather
93°
Feels Like 91°
0
Humidity: 19%
UV Index: 2
Wind: 8 mph
9 AM
Sunny Weather
97°
Feels Like 97°
0
Humidity: 17%
UV Index: 3
Wind: 8 mph
10 AM
Sunny Weather
99°
Feels Like 100°
0
Humidity: 15%
UV Index: 5
Wind: 8 mph
11 AM
Sunny Weather
102°
Feels Like 106°
0
Humidity: 13%
UV Index: 7
Wind: 8 mph
12 PM
Sunny Weather
106°
Feels Like 109°
0
Humidity: 11%
UV Index: 9
Wind: 8 mph
1 PM
Sunny Weather
108°
Feels Like 113°
0
Humidity: 9%
UV Index: 11
Wind: 9 mph
2 PM
Sunny Weather
111°
Feels Like 115°
0
Humidity: 8%
UV Index: 9
Wind: 10 mph
3 PM
Sunny Weather
111°
Feels Like 115°
0
Humidity: 7%
UV Index: 7
Wind: 10 mph
4 PM
Sunny Weather
115°
Feels Like 115°
0
Humidity: 7%
UV Index: 5
Wind: 12 mph
5 PM
Sunny Weather
111°
Feels Like 111°
0
Humidity: 7%
UV Index: 3
Wind: 12 mph
6 PM
Sunny Weather
111°
Feels Like 109°
0
Humidity: 8%
UV Index: 2
Wind: 12 mph
7 PM
Sunny Weather
109°
Feels Like 108°
0
Humidity: 8%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Night
108°
Feels Like 106°
0
Humidity: 9%
UV Index: 0
Wind: 10 mph
9 PM
Night
106°
Feels Like 102°
0
Humidity: 11%
UV Index: 0
Wind: 9 mph
10 PM
Night
102°
Feels Like 100°
0
Humidity: 12%
UV Index: 0
Wind: 8 mph
11 PM
Night
100°
Feels Like 99°
0
Humidity: 13%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
60 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.87 µg/m³
  • PM10: 40.23 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
92 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 18.52 µg/m³
  • PM10: 53.87 µg/m³
  • O3: 0.067 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
93 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 19.79 µg/m³
  • PM10: 63.83 µg/m³
  • O3: 0.068 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
91 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 21.17 µg/m³
  • PM10: 73.58 µg/m³
  • O3: 0.067 ppm
  • NO2: 0.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
80 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 14.53 µg/m³
  • PM10: 48.61 µg/m³
  • O3: 0.064 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
66 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.48 µg/m³
  • PM10: 32.58 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.83 µg/m³
  • PM10: 29.82 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.04 µg/m³
  • PM10: 29.52 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.25 µg/m³
  • PM10: 29.72 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.31 µg/m³
  • PM10: 29.99 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 10.52 µg/m³
  • PM10: 31.05 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.72 µg/m³
  • PM10: 32.93 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 10.48 µg/m³
  • PM10: 33.71 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 9.94 µg/m³
  • PM10: 33.74 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.73 µg/m³
  • PM10: 35.19 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.93 µg/m³
  • PM10: 37.34 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Las Vegas

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued August 4 at 5:54PM PDT until August 8 at 8:00PM PDT by NWS Las Vegas NV
Aug 4, 5:54 PM Aug 8, 8:00 PM
WHAT: Dangerously hot conditions with highs 110 to 120 degrees
across the Mojave Desert. Highs 95 to 105 degrees across most of
the southern Great Basin and Arizona Strip. Little to no overnight
relief is expected, particularly in the Mojave Desert where lows of
80 to 95 degrees are forecast. This will result in Major-to-Extreme
Heat Risk.

WHERE: Portions of northwest Arizona, southeast California, and
south central and southern Nevada.

WHEN: Until 8 PM PDT /8 PM MST/ Saturday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Updated: Aug 5, 6:48 AM Source: NWS Alert