Hourly Weather | Today Tuesday, April 7, 2026
Gresham, Oregon
2 AM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 69%
UV Index: 0
Wind: 5 mph
3 AM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
4 AM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 76%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 76%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 77%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 72%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
48°
Feels Like 52°
0
Humidity: 64%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 58%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
54°
Feels Like 59°
0
Humidity: 52%
UV Index: 4
Wind: 6 mph
12 PM
Cloudy Weather
55°
Feels Like 63°
0
Humidity: 46%
UV Index: 5
Wind: 6 mph
1 PM
Cloudy Weather
57°
Feels Like 66°
0
Humidity: 40%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
61°
Feels Like 66°
0
Humidity: 36%
UV Index: 5
Wind: 6 mph
3 PM
Cloudy Weather
63°
Feels Like 68°
0
Humidity: 34%
UV Index: 4
Wind: 6 mph
4 PM
Cloudy Weather
63°
Feels Like 66°
0
Humidity: 34%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 33%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 36%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 39%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 43%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 48%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 54%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 61%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.92 µg/m³
  • PM10: 10.19 µg/m³
  • O3: 0.020 ppm
  • NO2: 3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

3 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.69 µg/m³
  • PM10: 9.99 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

4 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.43 µg/m³
  • PM10: 9.57 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.16 µg/m³
  • PM10: 9.18 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.84 µg/m³
  • PM10: 8.81 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.6 µg/m³
  • PM10: 8.59 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.5 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 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 8.33 µg/m³
  • O3: 0.013 ppm
  • NO2: 3 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 AM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.72 µg/m³
  • PM10: 7.96 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.97 µg/m³
  • PM10: 7.28 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 6.57 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 6.25 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.4 µg/m³
  • PM10: 5.52 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.7 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.2 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 5.21 µg/m³
  • O3: 0.027 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 5.41 µg/m³
  • O3: 0.023 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 5.58 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 5.68 µg/m³
  • O3: 0.017 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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