I am Noa I have analyzed the air pollution of la Palma volcano during the weekwnd 25,26 september 2021, namely sulfur dioxide using the data from Generalitat de Catalunya air pollution database. The analyzed cities are Igualada, Girona and Manresa.
In figure 1 we can see that in Manresa we have a peak that indicates very harmulf pollution. On the other hand in Igualada there are two importants peaks, but not so harmful. And in Girona everything is much more moderate.