Eastern China Has Poorest Air Quality in the World Eastern, Quality, Air, Has, Poorest

ACC-HE

Canadian scientists have developed a map of global air-particulate pollution using National Aeronautics and Space Administration satellite data, and it shows that China's air quality is very poor compared to the rest of the world.



http://www.dailytech.com/Eastern+China+Has+Poorest+Air+Quality+in+the+World/article19741.htm

Catpiano

Beware of P ..

lo_pak

It's lucky the sea is nearby, otherwise the air pollution is even worst for the inland.

tiffiant

they should include the sea if the sea is affected

lo_pak

回復 4# tiffiant

Normally wind will blow from the sea towards the land (better air circulation)...

tiffiant

its hard to say, perhaps the wind got affected by pollution

lo_pak

回復 6# tiffiant

Not really.
Heavy polluted particles will drop once precipitation;
Light polluted particles/volitile gas will follow air current.
In normally days wind are strong blowing inland from the sea trapping pollutants on the coastal area.

mibu

yay! horray for china!

tiffiant

回復  tiffiant

Not really.
Heavy polluted particles will drop once precipitation;
Light polluted p ...
lo_pak 發表於 2010-9-28 20:28

    so, how is the rain? is it safe that we have preciptiation?

lo_pak

回復 9# tiffiant

Precipitation is rain, snow, hail... etc.
That's why everytime after rain you feel the air is fresher...
For any pollutants that're heavier than air by density, they will go nowhere but falling down eventually. It's just a matter in time...
For heavily polluted air, eg. industrial area, you may always heard of the term "acid rain", it is harmful.
However, the condition is well depends on the weather. Since precipitation is a pretty well buffer system, water falls on the ground is usually "neutral", so to speak.