Hourly Weather | Today Thursday, February 5, 2026
Roseville, California
8 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 79%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 85%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 59.07 µg/m³
  • PM10: 71.54 µg/m³
  • O3: 0.009 ppm
  • NO2: 40.3 ppb
  • SO2: 2.2 ppb
  • CO: 0.50 ppm

Health Recommendations:

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

9 PM
154 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 62.94 µg/m³
  • PM10: 76.34 µg/m³
  • O3: 0.007 ppm
  • NO2: 41.4 ppb
  • SO2: 2.2 ppb
  • CO: 0.52 ppm

Health Recommendations:

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

10 PM
156 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 66.13 µg/m³
  • PM10: 80.07 µg/m³
  • O3: 0.006 ppm
  • NO2: 41.7 ppb
  • SO2: 2.3 ppb
  • CO: 0.53 ppm

Health Recommendations:

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

11 PM
156 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 67.69 µg/m³
  • PM10: 81.69 µg/m³
  • O3: 0.005 ppm
  • NO2: 40.9 ppb
  • SO2: 2.1 ppb
  • CO: 0.53 ppm

Health Recommendations:

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