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As Tuesday dawned residents of the world's most polluted city encountered breathing extremely polluted air that was classified as the "critical" level.

Extremely High Air Quality Measurements

Various sections of the capital registered an pollution measurement over 500, which translates to ten times the safe limit recommended by the WHO.

Certain monitoring stations, readings of dangerous airborne particles soared to of 1,800, representing 15 to 20 times above acceptable standards.

Firecracker Ban and Recent Changes

For the past four years, officials had implemented a total prohibition on the sale and use of fireworks during Diwali due to their substantial impact to the dangerous smog that covers the metropolis as the cold season sets in.

Nevertheless recently, the recently formed local leadership petitioned the supreme court to propose a relaxation of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – previously doubted by environmental experts as being only approximately one-third lower impact – as a middle ground between "cultural practices and environment".

Judicial Decision and Enforcement

To the disappointment of public health and environmental campaigners, the court approved the proposal, specifying that eco-friendly pyrotechnics could be used during designated time windows throughout the celebrations.

Throughout the festival evening, there was considerable disregard of the designated hours across the capital, with insufficient enforcement regarding whether the firecrackers being used were actually the supposedly greener variety.

Several monitoring devices throughout the capital registered contamination reaching highest levels around the night hours to extremely hazardous levels seen during the festival in at least three years.

Regional Effects

The proliferation of fireworks during the festival also initiated a blame game with adjacent the neighboring country, with officials in Pakistani the Punjab region pointing to deteriorating air quality in Lahore on contaminants traveling from across the border following the festivities.

Long-Standing Pollution Issue

The dangerously high readings of pollution in the capital have continued as a serious challenge for more than 15 years, with the problem showing no improvement.

Around the festival period, the concentration of dangerous airborne contaminants in the air has been observed to spike to seventy percent above the worst records ever measured in the Chinese city, which was formerly regarded as the world's most polluted urban center.

Multiple Pollution Sources

The situation in the capital is caused by a convergence of different contributors including automobile exhaust, dust, construction activities, rubbish burning and haze from farm burning in adjacent states of Punjab and Haryana.

Throughout these areas, rural residents regularly set their fields on fire to prepare for next season, creating dangerous smog that becomes contained over the metropolitan area as colder air descends.

Health and Financial Consequences

Both financial and medical impact on the roughly thirty-three million inhabitants residing in the metropolitan zone is enormous, according to multiple research.

This pollution leads to elevated rates of nervous system, cardiovascular and lung diseases, and can even lead to malignancies.

Environmental contamination is calculated to be responsible for approximately 10k early deaths each year in Delhi.