Research Article

Polycyclic Aromatic Hydrocarbons Bound to PM 2.5 in Urban Coimbatore, India with Emphasis on Source Apportionment

Table 1

Meteorological conditions in Coimbatore during the study period1.

MonthTemp. (°C)Humidity (%)Wind speed (km/h)Rainfall (cm)

March28 ± 152 ± 87 ± 20
April29 ± 157 ± 109 ± 20
May28 ± 169 ± 611 ± 33 ± 8
June27 ± 170 ± 715 ± 10
July26 ± 177 ± 616 ± 41 ± 2
August26 ± 174 ± 514 ± 42 ± 7
September26 ± 175 ± 513 ± 32 ± 7
October27 ± 167 ± 108 ± 52 ± 6
November25 ± 178 ± 86 ± 28 ± 17
December25 ± 170 ± 67 ± 20
January25 ± 159 ± 67 ± 20
February27 ± 251 ± 66 ± 10

1Source: India Meteorological Department (IMD), New Delhi.