Abstract
Open crop stubble burning events were observed in and around Patiala city, India. A ground level study was deliberated to analyze the contribution of wheat ( Triticum aestivum) and rice ( Oriza sativa) crop stubble burning practices on concentration levels of aerosol, SO 2 and NO 2 in ambient air at five different sites in and around Patiala city covering agricultural, commercial and residential areas. Aerosols were collected on GMF/A and QMF/A (Whatman) sheets for a 24 h period throughout the year in 2007. Simultaneously, sampling of SO 2 and NO 2 was conducted and results obtained during stubble burning periods were compared to the non-stubble burning periods. Results clearly pointed out a distinct increase in aerosol, SO 2 and NO 2 levels during the crop stubble burning periods.
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