ABSTRACT
The PM(2.5) and PM(10) samples were collected during Diwali celebration from study area and characterized for ionic concentration of four anions (NO(3) (-), NO(2) (-), Cl(-), SO(4) (2-)) and five cations (K(+), Mg(2+), NH(4) (+), Ca(2+), Na(+)). The results showed that the ionic concentrations were three times compared to those on pre and post Diwali days. Predominant ions for PM(2.5) were K(+) 33.7 µg/m(3), Mg(+) 31.6 µg/m(3), SO(4) (2-) 22.1 µg/m(3), NH(4) (+) 17.5 µg/m(3) and NO(3) (-) 18 µg/m(3) and for PM(10) the ionic concentrations were Mg(+) 29.6 µg/m(3), K(+) 26 µg/m(3), SO(4) (2-) 19.9 µg/m(3), NH(4) (+) 16.8 µg/m(3) and NO(3) (-) 16 µg/m(3). While concentration of SO(2) and NO(2) were 17.23, 70.33 µg/m(3) respectively.
Subject(s)
Air Pollutants/analysis , Environmental Monitoring/methods , Holidays , Particulate Matter/analysis , Air Pollution/analysis , India , Ions/analysis , Particle SizeABSTRACT
Aerosol samples of PM(10) and PM(2.5) were collected from 38 sampling locations in and around the industrial area. The 24 h average mass concentration of PM(10) and PM(2.5) was 137.5 and 61.5 µg/m(3) respectively during summer, 122 and 97.5 µg/m(3) respectively in winter and 70 and 54 µg/m(3) respectively during post monsoon season. The relative contribution of coarse, fine and ultrafine particle to ambient air was analyzed for its temporal and seasonal variability in an industrialized area. This paper aims to establish baseline between PM(10) and PM(2.5) mass concentration levels.
