Hourly Weather | Today Saturday, September 19, 2026
Daly City, California
2 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 73%
UV Index: 5
Wind: 13 mph
3 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 69%
UV Index: 4
Wind: 14 mph
4 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 71%
UV Index: 3
Wind: 16 mph
5 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 74%
UV Index: 2
Wind: 16 mph
6 PM
Cloudy Weather
64°
Feels Like 61°
0
Humidity: 78%
UV Index: 1
Wind: 16 mph
7 PM
Cloudy Weather
63°
Feels Like 57°
0
Humidity: 82%
UV Index: 0
Wind: 15 mph
8 PM
Cloudy Night
63°
Feels Like 57°
0
Humidity: 83%
UV Index: 0
Wind: 14 mph
9 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 86%
UV Index: 0
Wind: 13 mph
10 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 86%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 87%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 22.77 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 22.91 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 22.64 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.09 µg/m³
  • PM10: 22.28 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.99 µg/m³
  • PM10: 21.97 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 21.66 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.81 µg/m³
  • PM10: 21.3 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 20.77 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 20.08 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.46 µg/m³
  • PM10: 19.31 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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