Question raised in Rajya Sabha Air quality in cities, 14/12/2015. Biomass, stubble or agriculture residue burning impacts air quality in the vicinity, be it city, town or village. However, movement of plume of fine particles or various gaseous pollutants from biomass burning depends upon meteorological factors such as, wind speed, wind direction, mixing height, humidity, etc. Biomass burning impact air quality of adjacent cities / towns, however, there is no conclusive study available that biomass burning in neighbouring States would always impact quality of air in Delhi.