Hourly Weather | Today Wednesday, May 20, 2026
Vancouver, Washington
4 PM
Cloudy Weather
68°
Feels Like 72°
0
Humidity: 48%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 42%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 45%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 48%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 54%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 69%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 74%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.36 µg/m³
  • PM10: 3.63 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 3.89 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 4.19 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 4.85 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 4.92 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 4.94 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 4.98 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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