Hourly Weather | Today Tuesday, September 15, 2026
Roseville, California
8 PM
Night
81°
Feels Like 77°
0
Humidity: 32%
UV Index: 0
Wind: 7 mph
9 PM
Night
75°
Feels Like 73°
0
Humidity: 39%
UV Index: 0
Wind: 7 mph
10 PM
Night
72°
Feels Like 70°
0
Humidity: 47%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 55%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.65 µg/m³
  • PM10: 15.79 µg/m³
  • O3: 0.042 ppm
  • NO2: 5.3 ppb
  • SO2: 1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.61 µg/m³
  • PM10: 16 µg/m³
  • O3: 0.039 ppm
  • NO2: 5.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 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: 5.72 µg/m³
  • PM10: 16.46 µg/m³
  • O3: 0.037 ppm
  • NO2: 5.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.81 µg/m³
  • PM10: 16.85 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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