Our interactive map shows you the scale and pervasiveness of the use of chemical weapons in the Syrian conflict. Building on years of painstaking work alongside our Syrian and international partners, our team at GPPi has compiled the most comprehensive dataset of incidents of chemical weapons use in Syria to date.

As of May 2020, it includes 349 confirmed attacks that have occurred since the first recorded incident in late 2012.

You can learn more about these attacks via the Data Portal, download the full dataset or review our methodology.