Hourly Weather | Today Friday, September 18, 2026
Reno, Nevada
3 PM
Sunny Weather
73°
Feels Like 75°
0
Humidity: 23%
UV Index: 4
Wind: 9 mph
4 PM
Sunny Weather
75°
Feels Like 75°
0
Humidity: 22%
UV Index: 3
Wind: 10 mph
5 PM
Sunny Weather
73°
Feels Like 73°
0
Humidity: 23%
UV Index: 2
Wind: 10 mph
6 PM
Sunny Weather
72°
Feels Like 70°
0
Humidity: 26%
UV Index: 1
Wind: 9 mph
7 PM
Sunny Weather
70°
Feels Like 66°
0
Humidity: 29%
UV Index: 0
Wind: 9 mph
8 PM
Night
64°
Feels Like 63°
0
Humidity: 33%
UV Index: 0
Wind: 6 mph
9 PM
Night
63°
Feels Like 61°
0
Humidity: 37%
UV Index: 0
Wind: 6 mph
10 PM
Night
59°
Feels Like 57°
0
Humidity: 41%
UV Index: 0
Wind: 5 mph
11 PM
Night
57°
Feels Like 57°
0
Humidity: 45%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 7.93 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.4 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
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 7.53 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.4 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
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.73 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.053 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 6.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 4.49 µg/m³
  • PM10: 6.54 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.35 µg/m³
  • PM10: 6.35 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.27 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.14 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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