Same here in Antwerp, Belgium, especially when there are no natural clouds.
Has anybody heard of Orgonite or have any experience with it? I don't know if it works or not, but I'm willing to give it a try!
Here's a how-to website:
http://www.orgonite.info/how-to-make-chembusters.html
Pz, luv & loads of chemfree light!
xxdA.