Translation of placid in Spanish

Today we have what we call 'hair dryer wind' (south wind from over the Alps), and it is around 30 degrees in Aarau. In some places even 31. Many people have headaches because of the weather.
It certainly is one of the reasons that a student from abroad is not as good in English as people who were born in America. This is an obstacle for all students and a challenge for the educational system.
I apologize that I have not written for such a long time! Please call me on my new phone number, that would be great! How is your son feeling, has he been recovering? I am sure that he will be fine.