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As Tuesday dawned inhabitants of the planet's dirtiest urban center were faced with breathing extremely polluted air that was classified as the "critical" level.

Extremely High Pollution Readings

Multiple areas of the city recorded an air quality index exceeding 500, which equals 10x the safe level set by the World Health Organization.

In some locations, readings of dangerous airborne particles reached peaks of 1,800, amounting to fifteen to twenty times exceeding healthy levels.

Pyrotechnics Ban and Current Developments

Beginning in 2020, the government had maintained a complete ban on the purchase and ignition of pyrotechnics during Diwali due to their substantial impact to the dangerous smog that engulfs the metropolis as winter begins.

Nevertheless earlier this year, the recently formed local administration appealed to the judicial authority to propose a modification of the ban.

They proposed allowing "eco-friendly fireworks" – which have been questioned by conservation groups as being only about 30% lower impact – as a middle ground between "heritage and ecological concerns".

Judicial Ruling and Implementation

Much to the frustration of environmental and health activists, judicial authorities agreed to the proposal, mandating that eco-friendly pyrotechnics could be set off during limited time windows throughout the celebrations.

On Monday night, there was extensive violation of the regulated periods across the metropolis, with minimal monitoring regarding whether the pyrotechnics being used were actually the supposedly greener version.

Many monitoring devices throughout the capital recorded contamination reaching highest levels around late evening to extremely hazardous readings seen during Diwali in at least recent memory.

Regional Consequences

Extensive ignition of firecrackers during the celebrations also sparked a dispute with neighbouring the neighboring country, with authorities in Pakistan's Punjab province partly blaming declining air quality in Lahore on hazardous particles traveling from India following the events.

Chronic Pollution Crisis

Alarmingly severe levels of air contamination in the capital have continued as a significant problem for over a decade and a half, with the situation showing no improvement.

Around Diwali, the amount of toxic particles in the air has been documented to increase dramatically to significantly exceeding the worst levels ever documented in the Chinese city, which was previously viewed as the world's most polluted city.

Diverse Contamination Factors

The problem in the city is resulting from a mix of various sources including transportation pollution, airborne particles, construction activities, garbage fires and pollutants from farm burning in adjacent states of Punjab and Haryana.

In these regions, agricultural workers regularly burn crop residue to prepare for next season, generating dangerous smog that then gets trapped over the metropolitan area as cooler air descends.

Public Health and Financial Consequences

The economic and health toll on the approximately 33 million residents calling home the capital region is enormous, according to various investigations.

These hazardous conditions leads to high levels of nervous system, cardiovascular and breathing disorders, and can even lead to oncological diseases.

Environmental contamination is projected to be responsible for ten thousand untimely deaths each year in the capital.