Pre-monsoon and Post-monsoon Analysis of Air Pollutant PM10 in Air: A Case study of Bareilly district, Uttar Pradesh, India



In the past five years air quality has deteriorated and is alarming for the entire urban areas throughout the world. Particularly, in India the situation has worsened due to increase in industrialization and urbanization. The present study focused on the evidence-based analysis of pre monsoon and post monsoon status of air pollution, PM10 in specific in Bareilly. The urban air database released by GreenPeace,2018 reported that Bareilly  was  among the seven most air polluted cities of Uttar Pradesh where PM10 was almost four times the annual standard of 60μg/m3 averaging 226μg/m3 for the year 2015 and 2016. The city Bareilly do not have too much of industrialization hence potential cause of pollution could be either vehicular emission or incomplete construction work. In the past five years the concentration of particulate matter has increased to almost three times.  Post Monsoon and pre monsoon monitoring of seasonal trend of suspended particulate matter was done from September 2019 to August 2020 at Bareilly district of Uttar Pradesh from three monitoring stations A(heavy traffic and commercial site),B(medium traffic and residential cum commercial site) and C(low traffic and residential site) covering approximately 11 kilometers. During the post monsoon analysis Station A has its maximum peak of 333μg/m3 during the month of November 2019. The fireworks during Diwali festival, 2019 could have contributed to this hike in PM10 concentration.  In December 2019 all stations A, B, and C recorded PM10 values above200 μg/m3.This could be due to excessive open fossil burning as in December 2019 the average minimum temperature of the city fell to 110C. During the pre-monsoon analysis, after 25th March 2020, there is a sharp fall in the PM10 concentration at all stations A,B and C. PM10 values at Station C remained below the monthly NAAQS limits of 80μg/m3 as all commercial, industrial and institutional activities were suspended since 25th March 2020 due to the outbreak of novel corona virus COVID19.  During end of March2020 and April2020 there was a sharp cut in vehicular emissions and no construction site was under operation. Thus it can be concluded that the possible cause of air pollutant in the city Bareilly could be either vehicular emissions or incomplete construction works.


air pollution, pre-monsoon, post-monsoon, Bareilly, PM10, vehicular emissions, lockdown, NAAQS.


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