Hourly Weather | Today Thursday, February 5, 2026
Portland, Oregon
8 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 78%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
46°
Feels Like 41°
0
Humidity: 80%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
45°
Feels Like 39°
0
Humidity: 83%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 86%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.69 µg/m³
  • PM10: 7.98 µg/m³
  • O3: 0.008 ppm
  • NO2: 6.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 8.29 µg/m³
  • O3: 0.008 ppm
  • NO2: 6.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 8.58 µg/m³
  • O3: 0.008 ppm
  • NO2: 6.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 8.86 µg/m³
  • O3: 0.009 ppm
  • NO2: 6.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.22 ppm

Health Recommendations:

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