Hourly Weather | Today Wednesday, March 18, 2026
Eugene, Oregon
3 AM
Cloudy Night
45°
Feels Like 43°
40
Humidity: 91%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
45°
Feels Like 41°
35
Humidity: 96%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
43°
Feels Like 39°
34
Humidity: 98%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
41°
Feels Like 39°
34
Humidity: 99%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Night
39°
Feels Like 37°
22
Humidity: 100%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
39°
Feels Like 37°
0
Humidity: 100%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
43°
Feels Like 43°
0
Humidity: 100%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
48°
Feels Like 52°
0
Humidity: 85%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
55°
Feels Like 61°
0
Humidity: 70%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
63°
Feels Like 66°
0
Humidity: 55%
UV Index: 4
Wind: 7 mph
1 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 45%
UV Index: 4
Wind: 8 mph
2 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 40%
UV Index: 4
Wind: 8 mph
3 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 37%
UV Index: 3
Wind: 8 mph
4 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 36%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 39%
UV Index: 2
Wind: 6 mph
6 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 42%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
66°
Feels Like 63°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
54°
Feels Like 50°
0
Humidity: 76%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.39 µg/m³
  • PM10: 3.33 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.41 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.012 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.012 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 3.17 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
12 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 3.11 µg/m³
  • O3: 0.013 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.

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.78 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 2.81 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.08 µg/m³
  • PM10: 2.93 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 2.44 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 2.11 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 1.93 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 2.24 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 2.46 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.6 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 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 2.57 µg/m³
  • O3: 0.025 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.

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.023 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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