Hourly Weather | Today | Sunday, August 31, 2025
San Francisco, California
8 PM
NightNighttime, with dark skies and stars or a moon visible.
66°
Feels Like 63°
0
Humidity: 76%
Wind: 14 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
64°
Feels Like 61°
0
Humidity: 78%
Wind: 13 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
64°
Feels Like 61°
0
Humidity: 82%
Wind: 12 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
63°
Feels Like 61°
0
Humidity: 83%
Wind: 10 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.76 µg/m³
  • PM10: 11.81 µg/m³
  • O₃: 22.84 ppb
  • NO₂: 7.41 ppb
  • SO₂: 0.56 ppb
  • CO: 140.69 ppb

Health Recommendations:

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

9 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.93 µg/m³
  • PM10: 11.80 µg/m³
  • O₃: 21.17 ppb
  • NO₂: 7.77 ppb
  • SO₂: 0.55 ppb
  • CO: 141.24 ppb

Health Recommendations:

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

10 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.13 µg/m³
  • PM10: 11.92 µg/m³
  • O₃: 19.49 ppb
  • NO₂: 8.12 ppb
  • SO₂: 0.55 ppb
  • CO: 141.80 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.05 µg/m³
  • PM10: 11.85 µg/m³
  • O₃: 17.82 ppb
  • NO₂: 8.47 ppb
  • SO₂: 0.55 ppb
  • CO: 142.36 ppb

Health Recommendations:

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