Hourly Weather | Today Tuesday, April 7, 2026
Marysville, Washington
12 PM
Cloudy Weather
54°
Feels Like 59°
47
Humidity: 57%
UV Index: 5
Wind: 7 mph
1 PM
Cloudy Weather
54°
Feels Like 61°
36
Humidity: 53%
UV Index: 5
Wind: 7 mph
2 PM
Cloudy Weather
55°
Feels Like 61°
20
Humidity: 49%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
55°
Feels Like 61°
20
Humidity: 58%
UV Index: 4
Wind: 7 mph
4 PM
Cloudy Weather
57°
Feels Like 59°
20
Humidity: 52%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
55°
Feels Like 57°
20
Humidity: 50%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
54°
Feels Like 52°
20
Humidity: 50%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
50°
Feels Like 46°
13
Humidity: 70%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 70%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 69%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.14 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.14 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.050 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.053 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 3.66 µg/m³
  • O3: 0.047 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 5.1 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.027 ppm
  • NO2: 6.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.48 µg/m³
  • PM10: 6.76 µg/m³
  • O3: 0.023 ppm
  • NO2: 7.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.95 µg/m³
  • PM10: 7.44 µg/m³
  • O3: 0.020 ppm
  • NO2: 8.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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