The Research on Haikou City Fireworks Pollution during Spring Festival

During the Spring Festival in 2011,according to the main pollutant(PM10,PM2.5,SO2,NO2) concentration and Bijie City logical data that setting off firecrackers is analyzed in the air quality.We have the following conclusions.Fireworks burning during Spring Festival makes the particles concentrations increasing rapidly in a short moment.And the effects of fireworks burning on the concentrations of PM10 and PM2.5 are the most significant.The PM2.5 concentration reached the peak at 21 o′clock and 2 o′clock in the New Year's Eve,and it reached the peak at 23 o′clock in the Lantern Festival,and the maximum value of PM2.5 concentration during the Spring Festival is six times or seven times higher than the monthly normal average.Different meteorological conditions on pollutant concentration changes have a significant influence.