HOUSTON OZONE EXCURSIONS SEEN ON ORIGINAL 9 MONITORS V. ALL 44 EXISTING MONITORS
Half as a hobby, half for work, I keep pretty close tabs on ground level ozone in Houston. While updating excursion data for the year I had a question - How does progress look if you look at only the 9 original 1997 ozone monitors? There are now a whopping 44 ozone monitors in the Houston area.
Using original monitors only the number of days in Houston with ozone excursions is down 48%, v. a 17% increase looking at all 44 monitors from 1997 to 2005. More of what you would expect given the dramatic emissions reductions at refineries, chemical plants and power stations.
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