Hourly Weather | Today Thursday, May 21, 2026
Sacramento, California
9 AM
Sunny Weather
72°
Feels Like 75°
0
Humidity: 47%
UV Index: 3
Wind: 4 mph
10 AM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 39%
UV Index: 5
Wind: 5 mph
11 AM
Cloudy Weather
82°
Feels Like 91°
0
Humidity: 33%
UV Index: 7
Wind: 5 mph
12 PM
Cloudy Weather
86°
Feels Like 95°
0
Humidity: 28%
UV Index: 9
Wind: 6 mph
1 PM
Cloudy Weather
90°
Feels Like 99°
0
Humidity: 24%
UV Index: 10
Wind: 6 mph
2 PM
Cloudy Weather
93°
Feels Like 99°
0
Humidity: 21%
UV Index: 9
Wind: 7 mph
3 PM
Cloudy Weather
93°
Feels Like 99°
0
Humidity: 19%
UV Index: 7
Wind: 7 mph
4 PM
Cloudy Weather
95°
Feels Like 97°
0
Humidity: 17%
UV Index: 5
Wind: 8 mph
5 PM
Cloudy Weather
93°
Feels Like 93°
0
Humidity: 17%
UV Index: 3
Wind: 9 mph
6 PM
Cloudy Weather
93°
Feels Like 91°
0
Humidity: 17%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
90°
Feels Like 88°
0
Humidity: 20%
UV Index: 1
Wind: 10 mph
8 PM
Sunny Weather
88°
Feels Like 84°
0
Humidity: 24%
UV Index: 0
Wind: 9 mph
9 PM
Night
81°
Feels Like 77°
0
Humidity: 33%
UV Index: 0
Wind: 8 mph
10 PM
Night
75°
Feels Like 73°
0
Humidity: 39%
UV Index: 0
Wind: 8 mph
11 PM
Night
72°
Feels Like 70°
0
Humidity: 46%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 12.22 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.9 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.7 µg/m³
  • PM10: 12.77 µg/m³
  • O3: 0.036 ppm
  • NO2: 6 ppb
  • SO2: 1.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.96 µg/m³
  • PM10: 14.47 µg/m³
  • O3: 0.042 ppm
  • NO2: 5.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

12 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 13.38 µg/m³
  • O3: 0.055 ppm
  • NO2: 3.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.74 µg/m³
  • PM10: 14.39 µg/m³
  • O3: 0.060 ppm
  • NO2: 2.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
79 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.46 µg/m³
  • PM10: 15.52 µg/m³
  • O3: 0.063 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.5 µg/m³
  • PM10: 15.84 µg/m³
  • O3: 0.065 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8 µg/m³
  • PM10: 15.39 µg/m³
  • O3: 0.064 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.36 µg/m³
  • PM10: 14.67 µg/m³
  • O3: 0.062 ppm
  • NO2: 2.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 14.69 µg/m³
  • O3: 0.058 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.12 µg/m³
  • PM10: 15.28 µg/m³
  • O3: 0.054 ppm
  • NO2: 4.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.12 µg/m³
  • PM10: 15.61 µg/m³
  • O3: 0.049 ppm
  • NO2: 5.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.21 µg/m³
  • PM10: 15.85 µg/m³
  • O3: 0.044 ppm
  • NO2: 5.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 16.36 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.66 µg/m³
  • PM10: 16.73 µg/m³
  • O3: 0.038 ppm
  • NO2: 6.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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