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Hourly Weather | Today › Tuesday, October 6, 2026
Active Weather Warnings
Roseville, California
1 PM
Sunny Weather
93°
Feels Like 97°
0
Humidity: 23%
UV Index: 4
Wind: 6 mph
2 PM
Sunny Weather
97°
Feels Like 99°
0
Humidity: 20%
UV Index: 4
Wind: 6 mph
3 PM
Sunny Weather
97°
Feels Like 99°
0
Humidity: 18%
UV Index: 3
Wind: 6 mph
4 PM
Sunny Weather
99°
Feels Like 99°
0
Humidity: 17%
UV Index: 2
Wind: 7 mph
5 PM
Sunny Weather
97°
Feels Like 97°
0
Humidity: 17%
UV Index: 2
Wind: 7 mph
6 PM
Sunny Weather
93°
Feels Like 91°
0
Humidity: 20%
UV Index: 1
Wind: 6 mph
7 PM
Night
90°
Feels Like 86°
0
Humidity: 25%
UV Index: 0
Wind: 6 mph
8 PM
Night
88°
Feels Like 84°
0
Humidity: 28%
UV Index: 0
Wind: 5 mph
9 PM
Night
84°
Feels Like 82°
0
Humidity: 32%
UV Index: 0
Wind: 6 mph
10 PM
Night
81°
Feels Like 79°
0
Humidity: 34%
UV Index: 0
Wind: 6 mph
11 PM
Night
79°
Feels Like 75°
0
Humidity: 37%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
85 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.82 µg/m³
  • PM10: 28.82 µg/m³
  • O3: 0.065 ppm
  • NO2: 8.6 ppb
  • SO2: 2.6 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
120 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 19.66 µg/m³
  • PM10: 29.56 µg/m³
  • O3: 0.076 ppm
  • NO2: 6.8 ppb
  • SO2: 2.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.95 µg/m³
  • PM10: 22.37 µg/m³
  • O3: 0.070 ppm
  • NO2: 5.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 12.93 µg/m³
  • PM10: 19.41 µg/m³
  • O3: 0.067 ppm
  • NO2: 5 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 11.79 µg/m³
  • PM10: 18.03 µg/m³
  • O3: 0.065 ppm
  • NO2: 5.6 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 11.32 µg/m³
  • PM10: 17.84 µg/m³
  • O3: 0.058 ppm
  • NO2: 8.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.52 µg/m³
  • PM10: 18.86 µg/m³
  • O3: 0.048 ppm
  • NO2: 13.9 ppb
  • SO2: 1.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

8 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.72 µg/m³
  • PM10: 20.11 µg/m³
  • O3: 0.040 ppm
  • NO2: 16.7 ppb
  • SO2: 1.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

9 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.76 µg/m³
  • PM10: 20.98 µg/m³
  • O3: 0.034 ppm
  • NO2: 17.7 ppb
  • SO2: 1.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12 µg/m³
  • PM10: 21.98 µg/m³
  • O3: 0.030 ppm
  • NO2: 18.2 ppb
  • SO2: 1.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

11 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.15 µg/m³
  • PM10: 22.67 µg/m³
  • O3: 0.027 ppm
  • NO2: 18.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Roseville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued October 5 at 9:42AM PDT until October 9 at 10:00PM PDT by NWS Sacramento CA
Oct 5, 9:42 AM → Oct 9, 10:00 PM
WHAT: High temperatures of 94 to 102 degrees expected and
overnight low temperatures in the mid 60s to low 70s, with
widespread Moderate HeatRisk and areas of Major HeatRisk.

WHERE: The Sacramento and northern San Joaquin Valleys, Delta and
Carquinez Strait, and foothills.

WHEN: Until 10 PM PDT Friday.

IMPACTS: Hot temperatures may cause heat illnesses, especially to
anyone without effective cooling and/or adequate hydration.

ADDITIONAL DETAILS: Hottest days expected Monday through
Wednesday.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Oct 6, 11:22 AM Source: NWS Alert

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