Hourly Weather | Today Thursday, February 26, 2026
Corvallis, Oregon
1 AM
Cloudy Night
34°
Feels Like 36°
0
Frost Risk: 76%
Humidity: 97%
UV Index: 0
Wind: 4 mph
2 AM
Cloudy Night
34°
Feels Like 34°
0
Frost Risk: 45%
Humidity: 98%
UV Index: 0
Wind: 4 mph
3 AM
Cloudy Night
32°
Feels Like 34°
0
Frost Risk: 90%
Humidity: 98%
UV Index: 0
Wind: 2 mph
4 AM
Cloudy Night
30°
Feels Like 32°
0
Frost Risk: 97%
Humidity: 98%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
30°
Feels Like 30°
0
Frost Risk: 98%
Humidity: 97%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Night
28°
Feels Like 28°
0
Frost Risk: 100%
Humidity: 99%
UV Index: 0
Wind: 4 mph
7 AM
Foggy Weather
30°
Feels Like 30°
0
Frost Risk: 92%
Humidity: 98%
UV Index: 0
Wind: 4 mph
8 AM
Foggy Weather
32°
Feels Like 36°
0
Frost Risk: 71%
Humidity: 97%
UV Index: 1
Wind: 4 mph
9 AM
Foggy Weather
36°
Feels Like 41°
0
Humidity: 93%
UV Index: 2
Wind: 4 mph
10 AM
Foggy Weather
39°
Feels Like 45°
0
Humidity: 87%
UV Index: 3
Wind: 4 mph
11 AM
Foggy Weather
41°
Feels Like 50°
0
Humidity: 81%
UV Index: 3
Wind: 4 mph
12 PM
Foggy Weather
45°
Feels Like 54°
0
Humidity: 76%
UV Index: 3
Wind: 4 mph
1 PM
Cloudy Weather
48°
Feels Like 54°
0
Humidity: 70%
UV Index: 3
Wind: 4 mph
2 PM
Cloudy Weather
50°
Feels Like 55°
0
Humidity: 64%
UV Index: 3
Wind: 4 mph
3 PM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 60%
UV Index: 2
Wind: 4 mph
4 PM
Cloudy Weather
54°
Feels Like 55°
0
Humidity: 56%
UV Index: 1
Wind: 4 mph
5 PM
Cloudy Weather
50°
Feels Like 50°
0
Humidity: 63%
UV Index: 0
Wind: 4 mph
6 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 70%
UV Index: 0
Wind: 4 mph
7 PM
Cloudy Night
45°
Feels Like 45°
0
Humidity: 76%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Night
41°
Feels Like 41°
0
Humidity: 82%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 86%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 87%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 89%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 2.75 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 AM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 2.9 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

3 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

4 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

5 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.48 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 3.75 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

7 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.33 µg/m³
  • PM10: 4.13 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

8 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

9 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 4.21 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 3.68 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.038 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 3.75 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.85 µg/m³
  • PM10: 3.76 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 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: 2.69 µg/m³
  • PM10: 3.65 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.57 µg/m³
  • PM10: 3.57 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.15 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 3.76 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.96 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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