In this paper we describe the evaluation of various climatic parameters in establishing their prognostic value in a photochemical smog episode. Our application was validated using real data from the “Cercul Militar National” and “Sos. Mihai Bravu nr. 47-49”, from April 2008 to May 2008. The study was performed on hour averages of pollutant concentrations and meteorological parameters and the statistical analysis was based on multiple regressions. We concluded by using mathematical and statistical methods, , that an accurate Global Solar Radiation is one of the most important and essential information in the pollution report.
 Jaba, E., Grama A. (2004). Analiza statistica cu SPSS sub Windows, Bucharest, Ed. Polirom.
 Ardelean F. (2005). Atmosphere pollution in the urban area - Doctoral thesis, Technical University of Civil Engineering, Bucharest.
 Colda, I., Ardelean, F. (2004), Meteorology and climatology, Bucharest, Ed. Conspress.
 Angelino E., Degani R., Gnagnetti M., Mortarino S., Noekel K., Pateri R., Sucharov L.J. (2000). Trafficinduced air pollution in Milan city: a modelling study - Urban transport V: urban transport and theenvironment for the 21st century, Milan.
 Borrego C., Tchepel O., Barros N., Miranda A.I. (2000). Impact of road traffic emissions on air quality of the Lisbon region. Atmospheric Environment, 34, 4683-4690.
 Harkonen J., Kukkonen J., Valkonen E., Karppinen A. (1998). Influence of vehicle emission characteristics and meteorological conditions on urban NO2 concentrations. International Journal of Vehicle Design, 20, 125-130.
 Ionescu A., Candau Y., Mayer E., Colda I. (2000). Analytical determination and classification of pollutant concentration fields using air pollution monitoring network data. Methodology and application in the Paris area, during episodes with peak nitrogen dioxide levels. Environmental Modelling & Software 15, 565-573.
 Chandra M. P., Praveen K. M., Jayarama R. S. (2003). Monitoring of air pollution in indian metropolitan cities: modeling and quality indexing. International Journal of Environment and Pollution, 21, 365-382.
 The Romanian Auto Registry. (2003). Air quality monitoring - annual reports 2002 and 2003.