Hourly Weather | Today Wednesday, May 20, 2026
Reno, Nevada
3 PM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 15%
UV Index: 8
Wind: 7 mph
4 PM
Cloudy Weather
77°
Feels Like 82°
0
Humidity: 14%
UV Index: 5
Wind: 6 mph
5 PM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 14%
UV Index: 4
Wind: 6 mph
6 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 16%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
0
Humidity: 18%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 20%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 25%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 29%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 34%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 4.83 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 3.66 µg/m³
  • PM10: 4.77 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 3.83 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 4.05 µg/m³
  • PM10: 5.07 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.01 µg/m³
  • PM10: 5.02 µg/m³
  • O3: 0.049 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 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.8 µg/m³
  • PM10: 4.76 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.7 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
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.61 µg/m³
  • PM10: 4.5 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.7 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
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 4.22 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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