Our new website is currently under development. This page provides a simple overview of the available gas data and related products, and how to access them.

Data from the two ScanningDOAS instruments deployed at Cleveland volcano are archived at the Cascades Volcano Observatory. To view the time-series data for these stations, select 'Gas' > 'Scanning DOAS' in the left-hand menu.

The CLNE ScanningDOAS was operational from September 2022.

The CLES ScanningDOAS was operational from May 2023.