The U.S. Government is closed. This site will not be updated; however NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit www.commerce.gov. For the latest forecast and critical weather information, visit www.weather.gov

The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit commerce.gov

For the latest forecasts and critical weather information, visit weather.gov.

Phytoplankton Monitoring Network Data

Over 11 years of phytoplankton data from the NOAA Phytoplankton Monitoring Network. Data from the New Hampshire Volunteer Phytoplankton Monitoring Program and Washington SoundToxins Program is included.

black and white scanning electron microscope image of Scrippsiella Spp

Enter Data

Visit the links below to enter marine or freshwater phytoplankton data.

Access Data

On-line web server of current and archived phytoplankton data from
around the network. Query and download datasets in common
file formats and make simple graphs.

Data Map

On-line data map of phytoplankton from around the network prior to 2014*. Change map views by selecting specific time frames, species, or water conditions such as water temperature or salinity.

Archived Data

Download Biological, chemical, and physical data from the Phytoplankton Monitoring Network from 13 Sep 2001 to 7 Mar 2013 (NCEI Accession 0117942)

*A map to display more current data is in development with anticipated completion in Fiscal Year 2027.