Hourly Weather | Today Tuesday, April 7, 2026
Hillsboro, Oregon
11 AM
Cloudy Weather
52°
Feels Like 61°
0
Humidity: 60%
UV Index: 3
Wind: 5 mph
12 PM
Cloudy Weather
55°
Feels Like 66°
0
Humidity: 52%
UV Index: 5
Wind: 5 mph
1 PM
Cloudy Weather
57°
Feels Like 70°
0
Humidity: 46%
UV Index: 5
Wind: 4 mph
2 PM
Cloudy Weather
61°
Feels Like 72°
0
Humidity: 41%
UV Index: 5
Wind: 4 mph
3 PM
Cloudy Weather
63°
Feels Like 70°
0
Humidity: 39%
UV Index: 4
Wind: 5 mph
4 PM
Cloudy Weather
63°
Feels Like 70°
0
Humidity: 38%
UV Index: 3
Wind: 5 mph
5 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 40%
UV Index: 2
Wind: 6 mph
6 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 41%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 43%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
57°
Feels Like 54°
0
Humidity: 49%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
54°
Feels Like 50°
0
Humidity: 56%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
50°
Feels Like 46°
0
Humidity: 61%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 67%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 4.23 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.88 µg/m³
  • PM10: 3.72 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 3.4 µg/m³
  • O3: 0.041 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.

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 3.62 µg/m³
  • O3: 0.041 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.

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

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.043 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.

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

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 3.77 µg/m³
  • O3: 0.044 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
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.037 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 4.85 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.8 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
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 5.17 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 5.34 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 5.51 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 5.57 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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