Globally, 430 million people require rehabilitation to address their disabling hearing loss. Prevalence of hearing loss increases with age, among those older than 60 years. The present study aimed to assess the auditory acuity in senior citizens residing in Bangalore urban areas and to compare them with the auditory acuity of senior citizens who are residing in Bangalore rural (less noise polluted) areas. Objectives: (a) to record Pure Tone Audiometry (PTA) in urban and rural Bangalore senior citizens. (b) To compare and analyse the effects of noise on hearing.