Comparative analysis of ambient air pollutants across diverse locations in Dehradun district, Uttarakhand

Human health is impacted by the air quality in the environment. The air that over 1.4 billion people in cities throughout the world breathe does not meet WHO air quality criteria. It is estimated that exposure to outdoor air pollution causes between 200,000 and 570,000 deaths worldwide. According to published mortality and morbidity figures, respiratory illnesses and chronic disorders are common in Indian cities, which are among the most polluted in the world. The city of Dehra Doon is set in a valley between the Shivalik and outer Himalaya mountains. The contaminants stay confined close to ground level, and very little air moves in or out of this area. According to the guidelines of the Uttar Pradesh Special Area Development Act of 1986 and the Environmental Protection Act of 1986, the Doon Valley has been designated as an