❮
Today Hourly 7 days 30 days Air Quality
❯
Hourly Weather | Today | Friday, August 22, 2025
Extreme Heat Warning (Issued when dangerously high temperatures are expected.)
Bellevue, Washington
4 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
88°
Feels Like 90°
0
Humidity: 33%
Wind: 8 mph
UV Index: 35
5 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
86°
Feels Like 86°
0
Humidity: 35%
Wind: 8 mph
UV Index: 24
6 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
82°
Feels Like 82°
0
Humidity: 38%
Wind: 7 mph
UV Index: 15
7 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
81°
Feels Like 79°
0
Humidity: 42%
Wind: 7 mph
UV Index: 7
8 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
77°
Feels Like 75°
0
Humidity: 47%
Wind: 6 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
73°
Feels Like 72°
0
Humidity: 52%
Wind: 6 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
72°
Feels Like 68°
0
Humidity: 55%
Wind: 6 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
68°
Feels Like 66°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
43 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.13 µg/m³
  • PM10: 11.54 µg/m³
  • O₃: 57.65 ppb
  • NO₂: 5.61 ppb
  • SO₂: 1.11 ppb
  • CO: 163.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.99 µg/m³
  • PM10: 10.06 µg/m³
  • O₃: 67.43 ppb
  • NO₂: 3.25 ppb
  • SO₂: 1.25 ppb
  • CO: 174.96 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
45 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 11.09 µg/m³
  • PM10: 11.14 µg/m³
  • O₃: 62.05 ppb
  • NO₂: 6.13 ppb
  • SO₂: 1.30 ppb
  • CO: 201.02 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
49 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 12.93 µg/m³
  • PM10: 12.97 µg/m³
  • O₃: 56.67 ppb
  • NO₂: 9.01 ppb
  • SO₂: 1.35 ppb
  • CO: 227.08 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
52 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.24 µg/m³
  • PM10: 14.28 µg/m³
  • O₃: 51.29 ppb
  • NO₂: 11.89 ppb
  • SO₂: 1.39 ppb
  • CO: 253.14 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
53 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.75 µg/m³
  • PM10: 14.81 µg/m³
  • O₃: 43.66 ppb
  • NO₂: 13.43 ppb
  • SO₂: 1.28 ppb
  • CO: 259.87 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
49 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.55 µg/m³
  • PM10: 14.65 µg/m³
  • O₃: 36.03 ppb
  • NO₂: 14.96 ppb
  • SO₂: 1.17 ppb
  • CO: 266.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

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

Pollutant Concentrations:

  • PM2.5: 14.05 µg/m³
  • PM10: 14.15 µg/m³
  • O₃: 28.40 ppb
  • NO₂: 16.50 ppb
  • SO₂: 1.05 ppb
  • CO: 273.33 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