This is a photo of my car this morning (March 30th 2012), and as you can see plenty of pollen since I took it out for a drive yesterday.
If you are allergic and are walking the Camino de Santiago in spring, you should be prepared. In the forum we have some good advice for allergic pilgrims, have a look here for some tips:
The comment was:
It is far too early to be suffering from either pollen or hay allergy but I’m deffinately suffering from something. I think it is because of the very dry weather and when walking off road I am walking on dry leaves, this combined with the pollution from too many fires Just a reminder for any one walking early who may expect to avoid the normal triggers of rhinitis
Read this conversation about hay fever or allergic rhinitis on the Camino de Santiago.