Hourly Weather | Today › Sunday, November 1, 2026
Seattle, Washington
10 PM
Cloudy Night
43°
Feels Like 43°
0
Humidity: 95%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
41°
Feels Like 41°
0
Humidity: 100%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 10.16 µg/m³
  • PM10: 12.49 µg/m³
  • O3: 0.012 ppm
  • NO2: 10.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.13 µg/m³
  • PM10: 13.43 µg/m³
  • O3: 0.011 ppm
  • NO2: 10.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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