@AbiAbi
Volcano eruptions are important sources of sulphur dioxide (SO2) and volcanic ash (aerosols) in the atmosphere.
For live volcanic ash advisories and volcano specific SO2 imagery ...
https://www.ospo.noaa.gov/Products/atmosphere/vaac/index.html
In general, there are 9 VAACs (Volcanic Ash Advisory Centers) worldwide,
providing their expertise in case of significant volcanic eruptions.
http://www.meteo.fr/vaac/
You can track ship routes, also, by using "air quality" (NO2) layer.
https://community.windy.com/topic/8577/copernicus-atmosphere-monitoring-service-cams-data-and-forecast-are-now-accessible-on-windy/11