On Nov 18 2008

Air quality in is Excellent, index I (index max: V).
In , same air would be considered as Good, index 3 (index max :10).
An improving situation
Friday, 18 May 2007, Written by Julien   
After the quite frightening map of the last article, here come a good news. Thank's to Mike's comment I discovered this interesting chart from International Herald Tribune.
On the part shown below, it is obvious that the level of particles in Beijing is decreasing over the time.

IHT Chart


However, it is also obvious that the level is still much higher than WHO guidelines!
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