1997 passive ozone data 1997 Ozone Data from Passive Samplers Weekly ozone data from the passive samplers is presented as the average hourly ozone concentration for the week.
Units are ppbv.
33.8 GRTE 1 45.8 31.6 28.0 31.3 31.4 43.6 34.1 33.1 30.5 30.8 27. Park codes are the first two letters from the first two words of a park name, ex. See previous pages for park names and locations.