I'm not going to get all scientific and shit it'd just be over your heads
lol I couldn't explain it anyway..but if I remember correctly it went something like this.
The dust levels were like 400 ppm by 9 pm tonight..basically ridiculously unhealthy levels.
I've been sick all day and yesterady don't know if this had anything to do with it...but still if I have stick out another year in this shit hole I'm getting me a couple of these:
http://www.oreck.com/air-purifiers/air8.cfm?bclick=23