Hourly Weather | Today Friday, February 6, 2026
Richland, Washington
1 AM
Cloudy Night
41°
Feels Like 43°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
2 AM
Cloudy Night
41°
Feels Like 41°
0
Humidity: 89%
UV Index: 0
Wind: 4 mph
3 AM
Cloudy Night
41°
Feels Like 41°
0
Humidity: 89%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 96%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 91%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Night
39°
Feels Like 39°
1
Humidity: 93%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
39°
Feels Like 39°
5
Humidity: 93%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
39°
Feels Like 41°
5
Humidity: 93%
UV Index: 0
Wind: 4 mph
9 AM
Cloudy Weather
39°
Feels Like 41°
6
Humidity: 93%
UV Index: 0
Wind: 4 mph
10 AM
Cloudy Weather
41°
Feels Like 43°
7
Humidity: 91%
UV Index: 0
Wind: 4 mph
11 AM
Cloudy Weather
43°
Feels Like 45°
7
Humidity: 87%
UV Index: 1
Wind: 4 mph
12 PM
Cloudy Weather
45°
Feels Like 45°
10
Humidity: 83%
UV Index: 1
Wind: 4 mph
1 PM
Cloudy Weather
46°
Feels Like 46°
15
Humidity: 80%
UV Index: 1
Wind: 4 mph
2 PM
Cloudy Weather
48°
Feels Like 48°
15
Humidity: 77%
UV Index: 0
Wind: 4 mph
3 PM
Cloudy Weather
48°
Feels Like 48°
19
Humidity: 77%
UV Index: 0
Wind: 4 mph
4 PM
Rainy Weather
48°
Feels Like 46°
56
Humidity: 78%
UV Index: 0
Wind: 4 mph
5 PM
Rainy Weather
50°
Feels Like 46°
56
Humidity: 80%
UV Index: 0
Wind: 4 mph
6 PM
Cloudy Weather
50°
Feels Like 50°
49
Humidity: 79%
UV Index: 0
Wind: 4 mph
7 PM
Cloudy Weather
48°
Feels Like 48°
20
Humidity: 86%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Weather
48°
Feels Like 48°
20
Humidity: 86%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Weather
48°
Feels Like 48°
20
Humidity: 87%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Weather
48°
Feels Like 46°
20
Humidity: 88%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
48°
Feels Like 46°
20
Humidity: 86%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.019 ppm
  • NO2: 4.1 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

2 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.06 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.7 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

3 AM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 6.65 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.4 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

4 AM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.63 µg/m³
  • PM10: 7.11 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.1 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

5 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 7.67 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.8 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

6 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 8.06 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.6 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

7 AM
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.53 µg/m³
  • PM10: 8.46 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.7 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.67 µg/m³
  • PM10: 8.73 µg/m³
  • O3: 0.023 ppm
  • NO2: 3.2 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

9 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 8.88 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

10 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.77 µg/m³
  • PM10: 8.98 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

11 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 9.02 µg/m³
  • O3: 0.023 ppm
  • NO2: 3.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

12 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 8.66 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 8.15 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 7.78 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.48 µg/m³
  • PM10: 8.07 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.63 µg/m³
  • PM10: 8.26 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.87 µg/m³
  • PM10: 8.45 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

6 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 8.88 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

7 PM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.78 µg/m³
  • PM10: 9.32 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

8 PM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.93 µg/m³
  • PM10: 9.38 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

9 PM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.03 µg/m³
  • PM10: 9.37 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.8 ppb
  • SO2: 0 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.14 µg/m³
  • PM10: 9.42 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.5 ppb
  • SO2: 0 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.3 µg/m³
  • PM10: 9.56 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.1 ppb
  • SO2: 0 ppb
  • CO: 0.19 ppm

Health Recommendations:

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