Many health issues in cities are caused by air pollution. In terms of pollutant levels and management mechanisms, Delhi's air pollution status has recently changed dramatically. This study gives an evidence-based look at the current state of air pollution in Delhi, its consequences on health, and the control mechanisms put in place. According to the World Health Organization's urban air database, which was issued in September 2011, Delhi surpassed the maximum PM10 limit by over 10-fold, at 198 g/m3. Vehicle emissions and industrial activity were shown to be linked to both interior and outdoor air pollution in Delhi. Delhi studies on air pollution and mortality discovered that all-natural-cause death and morbidity rose. Pollution is defined as the pollution of the earth's environment with pollutants that have an adverse effect on human health, quality of life, or the natural functioning of ecosystems. Water pollution, air pollution, noise pollution, and soil contamination are the most serious kinds of pollution. Thermal pollution and radioactive dangers are two more lesser-known kinds. It is difficult to attribute the greatest harm to health to a single type; nonetheless, air and water pollution appear to be responsible for a significant share of pollution-related health issues. Recently, the state of air pollution in Delhi has changed dramatically in terms of pollutant levels and management methods used to minimise them. This study gives an evidence-based analysis of Delhi's air pollution situation.