The developed kinetics of the vibrationally excited states of ozone (with excitation of up to fivevibrational quanta), built into the chemical kinetics of O/N/Ar mixtures, was used to model the series of pho-tolysis experiments of V.N. Azyazov et al. The experimental and calculated dynamics of O-3 and O-2(a(1)?) invarious O-3/O-2/Ar mixtures were compared. The dynamics of chemiluminescent radiation of in the titra-tion technique and the applicability of this technique to measuring the dynamics of O atoms in anO(3)/O-2/N2O/Ar mixture were considered. The dynamics of various states of O3(v1,v2,v3) after ozone photol-ysis was analyzed in detail. The role of these states in the acceleration of the chemical conversion of oxygencomponents and nitrogen oxides, occurring with competition with ozone vibrational relaxation, was considered.