Hourly Weather | Today Tuesday, September 1, 2026
Renton, Washington
9 AM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 84%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 76%
UV Index: 1
Wind: 7 mph
11 AM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 70%
UV Index: 1
Wind: 8 mph
12 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 65%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
70°
Feels Like 70°
1
Humidity: 61%
UV Index: 2
Wind: 8 mph
2 PM
Cloudy Weather
72°
Feels Like 75°
3
Humidity: 58%
UV Index: 5
Wind: 8 mph
3 PM
Cloudy Weather
72°
Feels Like 73°
3
Humidity: 56%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
73°
Feels Like 73°
3
Humidity: 53%
UV Index: 3
Wind: 10 mph
5 PM
Cloudy Weather
72°
Feels Like 72°
3
Humidity: 55%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
72°
Feels Like 70°
3
Humidity: 56%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
68°
Feels Like 66°
3
Humidity: 61%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
4
Humidity: 64%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
64°
Feels Like 63°
4
Humidity: 72%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
63°
Feels Like 61°
4
Humidity: 75%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
63°
Feels Like 61°
6
Humidity: 76%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.62 µg/m³
  • PM10: 4.78 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

12 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

1 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 2.4 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

2 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 1.85 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

3 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

4 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.43 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

5 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

6 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.05 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

7 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 1.69 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 1.74 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 1.83 µg/m³
  • O3: 0.025 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 2.05 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 2.24 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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