Hourly Weather | Today Thursday, December 4, 2025
Salem, Oregon
3 AM
Cloudy Weather
37°
Feels Like 37°
49
Humidity: 100%
Wind: 5 mph
UV Index: 0
4 AM
Rainy Weather
39°
Feels Like 37°
75
Humidity: 96%
Wind: 5 mph
UV Index: 0
5 AM
Cloudy Weather
41°
Feels Like 39°
49
Humidity: 94%
Wind: 5 mph
UV Index: 0
6 AM
Rainy Weather
41°
Feels Like 36°
75
Humidity: 92%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Weather
41°
Feels Like 37°
49
Humidity: 92%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
41°
Feels Like 37°
49
Humidity: 93%
Wind: 7 mph
UV Index: 0
9 AM
Rainy Weather
41°
Feels Like 36°
56
Humidity: 95%
Wind: 7 mph
UV Index: 0
10 AM
Rainy Weather
43°
Feels Like 36°
63
Humidity: 94%
Wind: 7 mph
UV Index: 0
11 AM
Rainy Weather
43°
Feels Like 36°
63
Humidity: 92%
Wind: 8 mph
UV Index: 0
12 PM
Cloudy Weather
43°
Feels Like 39°
49
Humidity: 90%
Wind: 8 mph
UV Index: 0
1 PM
Rainy Weather
45°
Feels Like 36°
56
Humidity: 88%
Wind: 9 mph
UV Index: 0
2 PM
Cloudy Weather
45°
Feels Like 39°
49
Humidity: 87%
Wind: 9 mph
UV Index: 0
3 PM
Cloudy Weather
46°
Feels Like 39°
49
Humidity: 86%
Wind: 9 mph
UV Index: 0
4 PM
Cloudy Weather
46°
Feels Like 39°
49
Humidity: 86%
Wind: 10 mph
UV Index: 0
5 PM
Rainy Weather
46°
Feels Like 37°
66
Humidity: 87%
Wind: 9 mph
UV Index: 0
6 PM
Rainy Weather
46°
Feels Like 37°
66
Humidity: 87%
Wind: 9 mph
UV Index: 0
7 PM
Cloudy Weather
46°
Feels Like 41°
25
Humidity: 90%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Weather
48°
Feels Like 43°
20
Humidity: 85%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Weather
50°
Feels Like 45°
20
Humidity: 83%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Weather
48°
Feels Like 45°
20
Humidity: 87%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy Weather
48°
Feels Like 45°
20
Humidity: 86%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.65 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.008 ppm
  • NO2: 7 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.38 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.008 ppm
  • NO2: 6.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.04 µg/m³
  • PM10: 5.44 µg/m³
  • O3: 0.009 ppm
  • NO2: 5.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.011 ppm
  • NO2: 4.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 4.39 µg/m³
  • O3: 0.013 ppm
  • NO2: 4.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.36 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.018 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 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: 2.7 µg/m³
  • PM10: 3.01 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.6 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
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 2.61 µg/m³
  • O3: 0.024 ppm
  • NO2: 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.3 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 0 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: 1.38 µg/m³
  • PM10: 1.59 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 1.65 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.77 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.83 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.13 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: 1.87 µg/m³
  • PM10: 2.14 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 2.19 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.88 µg/m³
  • PM10: 2.22 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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