Hourly Weather | Today Tuesday, April 7, 2026
Kennewick, Washington
11 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 30%
UV Index: 4
Wind: 13 mph
12 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 25%
UV Index: 5
Wind: 13 mph
1 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 22%
UV Index: 5
Wind: 12 mph
2 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 20%
UV Index: 5
Wind: 10 mph
3 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 18%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 17%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 18%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 20%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 23%
UV Index: 0
Wind: 7 mph
8 PM
Night
63°
Feels Like 61°
0
Humidity: 30%
UV Index: 0
Wind: 7 mph
9 PM
Night
57°
Feels Like 55°
0
Humidity: 36%
UV Index: 0
Wind: 6 mph
10 PM
Night
54°
Feels Like 52°
0
Humidity: 43%
UV Index: 0
Wind: 6 mph
11 PM
Night
48°
Feels Like 46°
0
Humidity: 51%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.23 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 1.78 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.08 µg/m³
  • PM10: 1.46 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 1.65 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 1.85 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 1.85 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
74 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 2.3 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 2.42 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 2.7 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.