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Tuesday brought inhabitants of the world's most polluted city encountered inhaling severely hazardous air that was classified as the "severe" range.

Alarming Pollution Levels

Various sections of Delhi showed an pollution measurement over 500, which equals a tenfold increase over the recommended level recommended by the World Health Organization.

In some locations, levels of dangerous airborne particles soared to of eighteen hundred, representing 15-20x higher than safe limits.

Firecracker Restrictions and Current Policy Shifts

Beginning in 2020, officials had enforced a comprehensive restriction on the purchase and ignition of fireworks during Diwali due to their substantial impact to the dangerous haze that engulfs the metropolis as the cold season approaches.

However recently, the newly elected city administration petitioned the judicial authority to propose a modification of the prohibition.

The suggestion was allowing "green crackers" – historically questioned by environmentalists as being only about 30% lower impact – as a middle ground between "cultural practices and ecological concerns".

Court Ruling and Implementation

Much to the frustration of public health and environmental advocates, the court approved the appeal, specifying that environmentally conscious fireworks could be set off during limited time windows throughout the Diwali.

Throughout the festival evening, there was widespread flouting of the regulated periods across the city, with minimal monitoring regarding whether the firecrackers being used were actually the supposedly greener variety.

Numerous recording stations throughout the city showed contamination reaching highest levels around late evening to some of the worst readings seen during the festival in at least recent memory.

International Consequences

Extensive ignition of firecrackers during the celebrations also sparked a controversy with adjacent Pakistan, with representatives in Pakistan's Punjab partly blaming deteriorating air quality in their urban centers on pollutants coming from across the border following the festivities.

Chronic Environmental Issue

The dangerously high concentrations of atmospheric toxins in the capital have remained as a major challenge for over a decade and a half, with the situation showing no improvement.

During celebratory seasons, the levels of hazardous particles in the atmosphere has been found to shoot up to 70% higher the worst levels ever measured in Beijing, which was once regarded as the world's most polluted city.

Various Contamination Sources

This crisis in Delhi is caused by a convergence of various sources including automobile exhaust, airborne particles, development work, garbage fires and smoke from crop residue ignition in neighbouring regions of Punjab and Haryana.

Throughout these areas, farmers regularly ignite agricultural waste to prepare for next season, producing dangerous smog that remains stagnant over the capital as cooler air descends.

Medical and Financial Consequences

Both financial and medical consequences on the approximately 33 million people living in the metropolitan zone is enormous, according to numerous studies.

This pollution leads to increased incidence of neurological, heart and circulatory and lung conditions, and can result in oncological diseases.

The pollution is projected to be responsible for approximately 10k early fatalities each year in the city.