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Hourly Weather | Today | Monday, August 25, 2025
Extreme Heat Warning (Issued when dangerously high temperatures are expected.)
Federal Way, Washington
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 82°
5
Humidity: 37%
Wind: 7 mph
UV Index: 6
8 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 79°
0
Humidity: 40%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
79°
Feels Like 75°
0
Humidity: 46%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 72°
0
Humidity: 52%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 70°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
104 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 20.72 µg/m³
  • PM10: 21.08 µg/m³
  • O₃: 69.88 ppb
  • NO₂: 10.68 ppb
  • SO₂: 1.90 ppb
  • CO: 278.24 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

8 PM
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 22.94 µg/m³
  • PM10: 23.29 µg/m³
  • O₃: 61.53 ppb
  • NO₂: 14.63 ppb
  • SO₂: 1.87 ppb
  • CO: 313.42 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

9 PM
107 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 24.62 µg/m³
  • PM10: 24.94 µg/m³
  • O₃: 52.24 ppb
  • NO₂: 16.57 ppb
  • SO₂: 1.81 ppb
  • CO: 335.77 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

10 PM
98 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 25.23 µg/m³
  • PM10: 25.56 µg/m³
  • O₃: 42.95 ppb
  • NO₂: 18.52 ppb
  • SO₂: 1.75 ppb
  • CO: 358.11 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
79 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 24.96 µg/m³
  • PM10: 25.34 µg/m³
  • O₃: 33.66 ppb
  • NO₂: 20.46 ppb
  • SO₂: 1.69 ppb
  • CO: 380.46 ppb

Health Recommendations:

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

Current Real-Time Air Quality Report