Two questions;
I remember after Sept. 11th some in the US noted that the sky was more blue than normal due (it was claimed) to less airline traffic and hence less high level water vapor. Of course the dust will mask any such observation in the effected zones, however for those areas NOT effected but perhaps with much less air travel than normal, has anyone noted this same result?
Living in Seoul, we get yellow dust from China that seems much thicker and as high and extensive as it seems is being reported in the UK. It can be tasted, it leaves yellow dust on our cars, and it much reduces visibility to as low as one Km on occasion. It also seems that if RAF fighters is Iraq (reported earlier in thread) had issues, it should be an issue here also. I have however never heard/noted it being an aviation issue here. Is it? If not why not; under-reaction here or over-reaction in the UK/Europe?