Hourly Weather | Today › Friday, October 9, 2026
Hillsboro, Oregon
11 AM
Rainy Weather
59°
Feels Like 55°
43
Humidity: 80%
UV Index: 1
Wind: 6 mph
12 PM
Cloudy Weather
61°
Feels Like 59°
39
Humidity: 76%
UV Index: 1
Wind: 7 mph
1 PM
Cloudy Weather
61°
Feels Like 61°
43
Humidity: 71%
UV Index: 2
Wind: 9 mph
2 PM
Partly Sunny with Showers
63°
Feels Like 57°
51
Humidity: 66%
UV Index: 2
Wind: 9 mph
3 PM
Cloudy Weather
64°
Feels Like 63°
47
Humidity: 56%
UV Index: 1
Wind: 10 mph
4 PM
Cloudy Weather
63°
Feels Like 61°
40
Humidity: 53%
UV Index: 2
Wind: 10 mph
5 PM
Cloudy Weather
61°
Feels Like 61°
34
Humidity: 50%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
61°
Feels Like 57°
34
Humidity: 51%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Night
57°
Feels Like 54°
34
Humidity: 57%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
54°
Feels Like 52°
34
Humidity: 67%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
52°
Feels Like 48°
34
Humidity: 72%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
48°
Feels Like 46°
36
Humidity: 79%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
46°
Feels Like 48°
43
Humidity: 81%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.09 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 1.26 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 1.21 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.66 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 3.21 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 5.46 µg/m³
  • O3: 0.035 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.

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

Pollutant Concentrations:

  • PM2.5: 2.03 µg/m³
  • PM10: 6.85 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.94 µg/m³
  • PM10: 7.38 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 7.41 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 5.54 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 4.6 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.2 µg/m³
  • PM10: 3.92 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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