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Hourly Weather | Today › Wednesday, November 4, 2026
Active Weather Warnings
Corvallis, Oregon
8 AM
Foggy Weather
39°
Feels Like 39°
2
Humidity: 87%
UV Index: 0
Wind: 4 mph
9 AM
Foggy Weather
41°
Feels Like 43°
2
Humidity: 91%
UV Index: 1
Wind: 4 mph
10 AM
Foggy Weather
46°
Feels Like 46°
2
Humidity: 89%
UV Index: 1
Wind: 5 mph
11 AM
Foggy Weather
52°
Feels Like 52°
2
Humidity: 79%
UV Index: 1
Wind: 6 mph
12 PM
Foggy Weather
54°
Feels Like 55°
4
Humidity: 72%
UV Index: 1
Wind: 6 mph
1 PM
Cloudy Weather
57°
Feels Like 55°
7
Humidity: 68%
UV Index: 1
Wind: 7 mph
2 PM
Cloudy Weather
57°
Feels Like 57°
7
Humidity: 66%
UV Index: 1
Wind: 7 mph
3 PM
Cloudy Weather
59°
Feels Like 57°
7
Humidity: 65%
UV Index: 1
Wind: 7 mph
4 PM
Cloudy Weather
57°
Feels Like 55°
7
Humidity: 73%
UV Index: 0
Wind: 7 mph
5 PM
Cloudy Weather
55°
Feels Like 54°
7
Humidity: 79%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Weather
54°
Feels Like 52°
10
Humidity: 87%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
52°
Feels Like 50°
37
Humidity: 93%
UV Index: 0
Wind: 6 mph
8 PM
Rainy Weather
52°
Feels Like 46°
41
Humidity: 96%
UV Index: 0
Wind: 7 mph
9 PM
Rainy Weather
52°
Feels Like 45°
41
Humidity: 97%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
50°
Feels Like 46°
19
Humidity: 98%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
48°
Feels Like 46°
15
Humidity: 99%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 4.87 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.02 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.015 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 AM
15 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.67 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 3.79 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 3.47 µg/m³
  • O3: 0.025 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.

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

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.44 µg/m³
  • PM10: 2.61 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 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: 2.42 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 2.49 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 2.45 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.1 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
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 2.35 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 2.24 µg/m³
  • O3: 0.031 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.

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

Pollutant Concentrations:

  • PM2.5: 1.99 µg/m³
  • PM10: 2.19 µg/m³
  • O3: 0.029 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.

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.21 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.9 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
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.3 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Corvallis

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued November 4 at 3:39AM PST until November 4 at 10:00AM PST by NWS Portland OR
Nov 4, 6:00 AM → Nov 4, 10:00 AM
WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Benton County Lowlands, Lane County Lowlands, and Linn
County Lowlands.

WHEN: Until 10 AM PST this morning.

IMPACTS: Low visibility could make driving conditions hazardous.
+ Read More
If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Updated: Nov 4, 6:13 AM Source: NWS Alert

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