Originally Posted by
atakacs
Exactly. It seems to be quite a "natural" consequence.
I wonder how much the aviation industry is adding to the mix.
I was going to say aviation as well. Now I haven't seen many old aircraft in Dubai, but an A380 also throws dirt into the air. Combine this with desert sand floating in the air. You are breathing in some quality air. Anyone ever noticed that you don't step outside your house and ever feel like you getting fresh air?