Asthma Predictability Index among Children in Regard to Air Quality Prevalent in and Around Kolkata Metropolis

Asthma is the most common paediatric chronic disease. Hindrance in asthma diagnosis is widespread resulting in unsatisfactory management in asthma. About 80 % of paediatric asthma patients have symptom onset before age six, most of them before age three. However, only about 1/3 of children with at least one episode of asthmatic symptoms by age three will have asthma at age six (8)and over, Asthma is under-diagnosed in 18–75 % of asthmatic children .This city is categorized unhealthy for human beings. Deterioration in urban air quality in most megacities is quite profound and Kolkata Metropolitan city is no exception to this. The main objective of this chapter is to construct an accurate model for asthma predictability index among children, for that an assessment of Kolkata air quality is done where the listed pollutants’ (RPM, SPM, NO2,and SO2) annual average concentration are classified into four different categories and the data is collected from 17 monitoring stations and categorised into critical, high, moderate, and low pollution. There are 17 monitoring stations in Kolkata and out of which five fall under the critical category, and the remaining 12 locations fall under the high category of NO2 concentration, regarding RPM, four stations are critical, and 13 stations record data which are under the high pollution category. Model questionnaires were run through 10% of the households to assess socio-economic conditions, critical environmental conditions, nature and types of health burdens as well as gauge the attitude in the direction of health care facilities were done. A comprehensive and up-to-date knowledge about the seasonal and spatial variation of asthma and studying air quality of the area is done by mapping through GIS.