Hourly Weather | Today Friday, September 5, 2025
Daly City, California
9 AM
Cloudy Weather
63°
Feels Like 59°
0
Humidity: 87%
Wind: 10 mph
UV Index: 6
10 AM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 84%
Wind: 10 mph
UV Index: 9
11 AM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 81%
Wind: 12 mph
UV Index: 13
12 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 78%
Wind: 13 mph
UV Index: 17
1 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 75%
Wind: 14 mph
UV Index: 19
2 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 72%
Wind: 15 mph
UV Index: 64
3 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 74%
Wind: 16 mph
UV Index: 48
4 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 75%
Wind: 16 mph
UV Index: 35
5 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 77%
Wind: 17 mph
UV Index: 23
6 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 78%
Wind: 16 mph
UV Index: 13
7 PM
Cloudy Weather
64°
Feels Like 59°
0
Humidity: 82%
Wind: 15 mph
UV Index: 3
8 PM
Cloudy Night
63°
Feels Like 57°
0
Humidity: 86%
Wind: 14 mph
UV Index: 0
9 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 89%
Wind: 13 mph
UV Index: 0
10 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 88%
Wind: 12 mph
UV Index: 0
11 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 89%
Wind: 12 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.87 µg/m³
  • PM10: 12.73 µg/m³
  • O₃: 33.58 ppb
  • NO₂: 2.82 ppb
  • SO₂: 0.37 ppb
  • CO: 135.01 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 AM
31 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.14 µg/m³
  • PM10: 12.88 µg/m³
  • O₃: 34.23 ppb
  • NO₂: 2.77 ppb
  • SO₂: 0.41 ppb
  • CO: 134.03 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 AM
32 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.33 µg/m³
  • PM10: 13.54 µg/m³
  • O₃: 36.43 ppb
  • NO₂: 2.34 ppb
  • SO₂: 0.46 ppb
  • CO: 122.74 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

12 PM
34 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.48 µg/m³
  • PM10: 13.68 µg/m³
  • O₃: 36.89 ppb
  • NO₂: 2.21 ppb
  • SO₂: 0.50 ppb
  • CO: 121.50 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

1 PM
35 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.60 µg/m³
  • PM10: 13.90 µg/m³
  • O₃: 37.35 ppb
  • NO₂: 2.09 ppb
  • SO₂: 0.55 ppb
  • CO: 120.25 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

2 PM
37 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.91 µg/m³
  • PM10: 14.35 µg/m³
  • O₃: 37.82 ppb
  • NO₂: 1.96 ppb
  • SO₂: 0.59 ppb
  • CO: 119.01 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
38 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.01 µg/m³
  • PM10: 14.65 µg/m³
  • O₃: 37.14 ppb
  • NO₂: 1.92 ppb
  • SO₂: 0.50 ppb
  • CO: 116.92 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
40 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.48 µg/m³
  • PM10: 15.50 µg/m³
  • O₃: 36.47 ppb
  • NO₂: 1.88 ppb
  • SO₂: 0.42 ppb
  • CO: 114.82 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
42 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.68 µg/m³
  • PM10: 15.93 µg/m³
  • O₃: 35.79 ppb
  • NO₂: 1.85 ppb
  • SO₂: 0.33 ppb
  • CO: 112.72 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.85 µg/m³
  • PM10: 16.28 µg/m³
  • O₃: 35.01 ppb
  • NO₂: 2.10 ppb
  • SO₂: 0.31 ppb
  • CO: 111.91 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.84 µg/m³
  • PM10: 16.40 µg/m³
  • O₃: 34.22 ppb
  • NO₂: 2.35 ppb
  • SO₂: 0.29 ppb
  • CO: 111.10 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
47 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.79 µg/m³
  • PM10: 16.39 µg/m³
  • O₃: 33.44 ppb
  • NO₂: 2.60 ppb
  • SO₂: 0.27 ppb
  • CO: 110.29 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
48 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.68 µg/m³
  • PM10: 16.30 µg/m³
  • O₃: 32.68 ppb
  • NO₂: 2.81 ppb
  • SO₂: 0.33 ppb
  • CO: 109.39 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.73 µg/m³
  • PM10: 16.38 µg/m³
  • O₃: 31.93 ppb
  • NO₂: 3.02 ppb
  • SO₂: 0.40 ppb
  • CO: 108.49 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.10 µg/m³
  • PM10: 16.83 µg/m³
  • O₃: 31.17 ppb
  • NO₂: 3.22 ppb
  • SO₂: 0.46 ppb
  • CO: 107.59 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.