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HOME ---- [contact me] My Blogger Profile View my photo galleries. Listen to my radio station. Currently ReadingThis is an Ottawa blog (Ontario, Canada). Cool blogs: McWetlog wood s lot La Tribu du Verbe Wil Wheaton Darren Barefoot Lectio.ca Blogger profiles in Ottawa Other good sites: Slashdot Wired News Mark Morford's Notes & Errata This page uses Extreme Tracker which is determining your referrer by running some JavaScript. The commenting system was Reblogger. |
Monday, November 03, 2003
Here's a chart I did in Excel using data from ftp://ftp.cts.com/users/j/t/jtimmer/ I used the PM2.5 data from downtown San Diego. Based on these data the worst air quality was on October 26th, when it peaked at about 150 micrograms per cubic metre (ug/m3). PM2.5 is particles less than or equal to 2.5 microns, measured by mass. Particles that small can't be filtered by your nose or handled by your body, they basically just settle in your lungs. (image originally at http://flame.cs.dal.ca/~akerman/blog/sdairqual.jpg ALT="[San Diego air quality Oct 25-28, 2003]") Officials Warn Of Very Poor Air Quality HOME - |