Seasonal and diurnal characteristics of surface level O₃ and its precursors in the north-central part of India
by Renuka Saini, Amit Masih, P. Gur Sumiran Iyer, Ajay Taneja
International Journal of Environment and Waste Management (IJEWM), Vol. 4, No. 1/2, 2009

Abstract: Surface measurements of ozone and its precursor gases NO₂ and CO have been made over an urban site of Agra (semi-arid region) for year 2005. O₃, NO₂ and CO show diurnal variations during all seasons. Overall increased concentration of O₃ is majority attributed to increase in concentrations of NO₂ and CO. The highest average concentration of O₃ was observed in winters, followed by summers and monsoon. Similar trends were observed for NO₂ and CO. Significant correlation was found for O₃ with temperature and solar radiation whereas its correlation with relative humidity was not significant.

Online publication date: Sun, 28-Jun-2009

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