Hourly Weather | Today Thursday, August 6, 2026
Roseville, California
5 PM
Sunny Weather
100°
Feels Like 100°
0
Humidity: 16%
UV Index: 3
Wind: 6 mph
6 PM
Sunny Weather
99°
Feels Like 99°
0
Humidity: 17%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
99°
Feels Like 97°
0
Humidity: 18%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
93°
Feels Like 90°
0
Humidity: 23%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
88°
Feels Like 84°
0
Humidity: 28%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 34%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 40%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
153 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 43.41 µg/m³
  • PM10: 53.15 µg/m³
  • O3: 0.086 ppm
  • NO2: 2.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.26 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

6 PM
139 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 45.23 µg/m³
  • PM10: 55.05 µg/m³
  • O3: 0.082 ppm
  • NO2: 4 ppb
  • SO2: 1.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

7 PM
130 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 47.45 µg/m³
  • PM10: 57.7 µg/m³
  • O3: 0.076 ppm
  • NO2: 5.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.29 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

8 PM
132 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 48.17 µg/m³
  • PM10: 58.52 µg/m³
  • O3: 0.068 ppm
  • NO2: 7.3 ppb
  • SO2: 1.4 ppb
  • CO: 0.30 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

9 PM
129 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 46.95 µg/m³
  • PM10: 57.03 µg/m³
  • O3: 0.060 ppm
  • NO2: 7.5 ppb
  • SO2: 1.4 ppb
  • CO: 0.30 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
127 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 46.03 µg/m³
  • PM10: 55.96 µg/m³
  • O3: 0.055 ppm
  • NO2: 7.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.31 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
123 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 44.41 µg/m³
  • PM10: 54.01 µg/m³
  • O3: 0.051 ppm
  • NO2: 7.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.31 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.