Hourly Weather | Today › Monday, October 12, 2026
Federal Way, Washington
8 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 60%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 67%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 74%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 80%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 3.59 µg/m³
  • O3: 0.020 ppm
  • NO2: 4.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.89 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.017 ppm
  • NO2: 5.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.016 ppm
  • NO2: 5.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.19 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.016 ppm
  • NO2: 5.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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