id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-284583-urh0xk7r	Singh, Vikas	Exceedances and trends of particulate matter (PM2.5) in five Indian megacities	2020-08-11		.txt	text/plain	6424	208	41	Moreover, one can conduct modelling analysis of PM 2.5 composition but it is considerably challenging because of the combination of uncertainties in the magnitude and spatial and temporal allocation of primary PM 2.5 emissions and our limited understanding of the chemical production pathways for secondary constituents (Mathur et al., 2008 , Appel et al., 2008 were observed to be highest during winter followed by post monsoon>summer>monsoon (Jain et al., 2020; Kota et al., 2018, Sharma and Pant et al., 2015) , SO 4 2− was reported to be most abundant during summer followed by monsoon>post monsoon>winter (Jain et al., 2020; Higher photochemical activities during the summer season and high humid conditions during monsoon favors the formation of secondary SO 4 2− (Jain et al., 2020; Goel et al., 2018 , Pant et al., 2015 .	cache/cord-284583-urh0xk7r.txt	txt/cord-284583-urh0xk7r.txt
