Hourly Weather | Today Monday, January 26, 2026
Seattle, Washington
8 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 68%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 74%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 81%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.47 µg/m³
  • PM10: 7.46 µg/m³
  • O3: 0.023 ppm
  • NO2: 9.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.67 µg/m³
  • PM10: 7.71 µg/m³
  • O3: 0.023 ppm
  • NO2: 9.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.86 µg/m³
  • PM10: 7.89 µg/m³
  • O3: 0.024 ppm
  • NO2: 8.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.11 µg/m³
  • PM10: 8.1 µg/m³
  • O3: 0.024 ppm
  • NO2: 7.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

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