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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 
SACJan 09Jan 11Jan 13Jan 15ppb050100150phase I
NEZJan 09Jan 11Jan 13Jan 15ppb050100150phase I
TLIJan 09Jan 11Jan 13Jan 15ppb050100150phase I
GAMJan 09Jan 11Jan 13Jan 15ppb050100150phase I
MONJan 09Jan 11Jan 13Jan 15ppb050100150phase I
CCAJan 09Jan 11Jan 13Jan 15ppb050100150phase I
SAGJan 09Jan 11Jan 13Jan 15ppb050100150phase I
MERJan 09Jan 11Jan 13Jan 15ppb050100150phase I
UAXJan 09Jan 11Jan 13Jan 15ppb050100150phase I
BJUJan 09Jan 11Jan 13Jan 15ppb050100150phase I
PEDJan 09Jan 11Jan 13Jan 15ppb050100150phase I
VIFJan 09Jan 11Jan 13Jan 15ppb050100150phase I
CUTJan 09Jan 11Jan 13Jan 15ppb050100150phase I
XALJan 09Jan 11Jan 13Jan 15ppb050100150phase I
ACOJan 09Jan 11Jan 13Jan 15ppb050100150phase I
ATIJan 09Jan 11Jan 13Jan 15ppb050100150phase I
CUAJan 09Jan 11Jan 13Jan 15ppb050100150phase I
HGMJan 09Jan 11Jan 13Jan 15ppb050100150phase I
LLAJan 09Jan 11Jan 13Jan 15ppb050100150phase I
AJMJan 09Jan 11Jan 13Jan 15ppb050100150phase I
MGHJan 09Jan 11Jan 13Jan 15ppb050100150phase I
TLAJan 09Jan 11Jan 13Jan 15ppb050100150phase I
LPRJan 09Jan 11Jan 13Jan 15ppb050100150phase I
FACJan 09Jan 11Jan 13Jan 15ppb050100150phase I
INNJan 09Jan 11Jan 13Jan 15ppb050100150phase I
UIZJan 09Jan 11Jan 13Jan 15ppb0100phase I