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Ozone levels

Time series of hourly ozone concentrations, ordered by the maximum value during the last 6 hours. When ozone levels reach 155 ppb (151 IMECAS) a phase I contingency is declared. Note that the units used in the charts are ppb (parts per billion) unlike the frontpage map which uses IMECA

— ozone 
PEDMay 27May 29May 31Jun 01ppb050100150phase I
BJUMay 27May 29May 31Jun 01ppb050100150phase I
HGMMay 27May 29May 31Jun 01ppb050100150phase I
IZTMay 27May 29May 31Jun 01ppb050100150phase I
GAMMay 27May 29May 31Jun 01ppb050100150phase I
UAXMay 27May 29May 31Jun 01ppb050100150phase I
MGHMay 27May 29May 31Jun 01ppb050100150phase I
UIZMay 27May 29May 31Jun 01ppb050100150phase I
CCAMay 27May 29May 31Jun 01ppb050100150phase I
MERMay 27May 29May 31Jun 01ppb050100150phase I
NEZMay 27May 29May 31Jun 01ppb050100150phase I
CAMMay 27May 29May 31Jun 01ppb050100150phase I
FARMay 27May 29May 31Jun 01ppb050100150phase I
MPAMay 27May 29May 31Jun 01ppb050100150phase I
FACMay 27May 29May 31Jun 01ppb050100150phase I
ACOMay 27May 29May 31Jun 01ppb050100150phase I
TLAMay 27May 29May 31Jun 01ppb050100150phase I
TLIMay 27May 29May 31Jun 01ppb050100150phase I
SAGMay 27May 29May 31Jun 01ppb050100150phase I
VIFMay 27May 29May 31Jun 01ppb050100150phase I
TAHMay 27May 29May 31Jun 01ppb050100150phase I
MONMay 27May 29May 31Jun 01ppb050100150phase I
CUTMay 27May 29May 31Jun 01ppb050100150phase I
LPRMay 27May 29May 31Jun 01ppb050100150phase I
LLAMay 27May 29May 31Jun 01ppb050100150phase I
ATIMay 27May 29May 31Jun 01ppb050100150phase I
INNMay 27May 29May 31Jun 01ppb050100150phase I
AJMMay 27May 29May 31Jun 01ppb050100150phase I
CHOMay 27May 29May 31Jun 01ppb050100150phase I
SACMay 27May 29May 31Jun 01ppb050100150phase I
XALMay 27May 29May 31Jun 01ppb050100150phase I