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On Tuesday morning residents of the planet's dirtiest urban center found themselves exposed to extremely polluted air that registered in the "alarming" range.

Record-Breaking Air Quality Levels

Several parts of the city recorded an pollution measurement over 500, which represents a tenfold increase over the recommended level established by the WHO.

In some locations, concentrations of dangerous airborne particles reached peaks of eighteen hundred, equating to 15 to 20 times higher than healthy standards.

Firecracker Prohibition and Recent Changes

Since 2020, the government had implemented a comprehensive restriction on the distribution and bursting of pyrotechnics during the Festival of Lights due to their major role to the deadly pollution that covers the city as the cold season approaches.

Yet in recent months, the newly elected city leadership approached the judicial authority to propose a relaxation of the ban.

They proposed allowing "environmentally conscious pyrotechnics" – which have been questioned by environmentalists as being only about 30% lower impact – as a balance between "cultural practices and ecological concerns".

Court Decision and Reality

Much to the frustration of environmental and health advocates, the court complied with the appeal, stipulating that green firecrackers could be ignited during specific periods throughout the Diwali.

During the celebrations, there was considerable violation of the regulated periods across the city, with insufficient regulation regarding whether the firecrackers being used were actually the more environmentally friendly version.

Several recording stations throughout the city recorded pollution reaching highest levels around midnight to the most severe measurements recorded during Diwali in at least recent memory.

Regional Effects

The proliferation of firecrackers during Diwali also initiated a blame game with neighbouring Pakistan, with officials in Pakistani Punjab province partially attributing worsening pollution levels in the city of Lahore on hazardous particles traveling from across the border following the celebrations.

Persistent Pollution Issue

Extremely elevated concentrations of air contamination in the city have persisted as a significant issue for fifteen-plus years, with the problem showing no improvement.

Near celebratory seasons, the concentration of hazardous particulate matter in the atmosphere has been documented to shoot up to 70% higher the worst levels ever recorded in the Chinese city, which was formerly considered as the globally most contaminated metropolis.

Multiple Contamination Factors

This crisis in the capital is attributed to a mix of different contributors including transportation pollution, airborne particles, construction activities, garbage fires and pollutants from crop residue ignition in neighbouring areas of Punjab and Haryana.

Within these states, farmers routinely ignite agricultural waste to clear them quickly, generating toxic pollution that becomes contained over the metropolitan area as cooler air arrives.

Medical and Economic Consequences

Public health and economic consequences on the roughly thirty-three million people residing in the Delhi area is enormous, according to numerous investigations.

These hazardous conditions results in increased incidence of neurological, heart and circulatory and lung diseases, and can even lead to malignancies.

The pollution is projected to be accounting for 10,000 early deaths annually in Delhi.