A comparative study of air pollution over a coastal and urban cities - A case study

The Air pollution study is most predominant in present situation. This case study mainly states that the concentrations of the air pollutants over coastal and urban areas by using histograms. The observing parameters
are SO2, NO2, RSPM, and SPM in μg/m3 from the time period is 2006 to 2009. The concentration of TSPM (Total Suspended Particulate Matter) is high in both urban and coastal industrial areas when compared with other parameters. There is a small variations between Hyderabad and Visakhapatnam in the year of 2007 mainly the stations are Seetammadhara, Police Barracks in Visakhapatnam and Paradise in Hyderabad. In the year of 2008 the
annual concentration over Hyderabad is higher than the Visakhapatnam. In Hyderabad area (Charminar) the pollution concentration is same over all the months but in Visakhapatnam concentration is high from January to July. After that gradually decrease from August- December it may rainfall activity. In the Sensitive areas the annual concentration over Hyderabad is greater than Visakhapatnam. But in the year of 2009 annual concentration is little
greater over Visakhapatnam than Hyderabad.