Some years ago we witnessed the effects of the huge fire in the Peloponnese. Kalamata was shut for days, and we were on the first plane to arrive. We could see the widespread smoke for quite a while on approach. The bus journey across the mountains to Tolon was frightening, because the road was a black strip through a vast field of red glowing embers - really a vision of Hades. The bay in Tolon is quite sheltered, so the water-bombing planes, including a a rare Russian jet version, were loading all day, every day.
I'm totally in sympathy with the restrictions after that experience. Olive trees are full of oil, so they burn very well. Corfu is covered in olive trees!