Hourly Weather | Today Monday, July 20, 2026
Hillsboro, Oregon
7 PM
Cloudy Weather
86°
Feels Like 86°
5
Humidity: 38%
UV Index: 1
Wind: 4 mph
8 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 44%
UV Index: 0
Wind: 2 mph
9 PM
Cloudy Night
79°
Feels Like 79°
0
Humidity: 53%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
75°
Feels Like 75°
0
Humidity: 61%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 69%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.65 µg/m³
  • PM10: 10.07 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 10.35 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.4 µg/m³
  • PM10: 10.35 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 10.37 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 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: 7.31 µg/m³
  • PM10: 10.32 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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