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Table 1 Annual 95th percentiles of daily maximum 1-hour ozone (ppb)

From: Associations between ozone and morbidity using the Spatial Synoptic Classification system

City 1996 1997 1998 1999 2000 2001 2002 2003 2004
Charlotte 89 91 102 103 92 94 101 83 80
Raleigh 83 91 90 83 81 80 93 78 72
Greensboro 84 87 96 94 89 89 96 79 74
Asheville 67 69 79 78 76 70 81 60 63
Wilmington 72 76 76 64 74 71 72 70 67