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Industrial or Occupational noise play a vital role in the life of workers. This source of pollution disrupts and annoys the daily activities of workers. Occupational Noise pollution is increasingly being recognized as a physical factor in the environment that is injurious to many aspects of health. This study focuses on the industrial noise and its effects on workers. The aim of the study is to find out the possible relation between the occupational noise exposure and arterial blood pressure, pulse rate, and hearing thresholds for workers at several industrial areas in Zakho City, Kurdistan region of Iraq. The study group included 113 workers employed in twenty-one different factories (chosen randomly). All the individuals under study were men. Their ages were between 15 to 60 years. The noise level was between (76.5-98) decibels (dB(A)). In order to observe the harmful effects of the noise, a questionnaire was made for all the workers. The systolic blood pressure mean for the samples is increased by 6.07 mmHg, while the diastolic blood pressure mean is increased by 2.63 mmHg; the pulse rate mean is increased by 5.56 beats/minute. The hearing threshold levels also show a decrease in their values.

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Study of noise pollution (NSP) is an important subject due to its environmental and health impacts. If the levels of noise prove to be above health criteria, it’s possibility that it may contribute to short and long term physiological & psychological harmful effects. This study aimed to determining the spatial & temporal levels of NSP produced during Nowruz festival (NZFS) in Dahok city (DKC), Iraq, for 4 consecutive years (2016-2019), and comparing the noise levels during these periods. Also to identify possible sources of noise to assist in analysis NSP problematic areas & determine if city noise criterion are exceeded. The noise level measurements was conducted using sound level meter in 3 different areas in DKC. In Nawruz Eve, 2019, noise reached 102, 92.6, & 70.2 dB in Residential, Commercial, & Silence Zones respectively. The overall study suggests that the city is gradually hurtling towards high noise ambience, Most of the results obtained in this work are above the limits allowed both internationally (i.e. WHO) & locally. This is due to certain erroneous practices in daily activities during NZFS, spread of electrical generators, as well as heavy traffic in the city. Also, this work could be help to publicize awareness about NSP among the people.