Kalpakkam is a township in Tamil Nadu, India, situated on the Coromandel Coast 70 kilometres south of Chennai. A conglomerate of two villages and a DAE township, it is about 55 kilometres (34 mi) from Thiruvanmiyur and 85 kilometres (53 mi) from Pondicherry. This coastal town is humid. Summers here prevail from early March till
late May. Temperatures in the Summer vary from 32 degrees Celsius and can go up to 41 degrees Celsius. There is no particular Monsoon season for Kalpakkam as rains are unpredictable here, although there is heavy rainfall in the months of October and November, usually turning into a storm. The coolest months are December and January. A study by the Madras Atomic Power Station(MAPS) revealed that the pollution in Kalpakkam is very low, which when compared to the neighbouring city Chennai is 50 times less.