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As Tuesday dawned residents of the world's most polluted city were faced with inhaling extremely polluted air that was classified as the "critical" category.

Record-Breaking Air Quality Levels

Several parts of the capital showed an pollution measurement over 500, which translates to 10x the safe threshold set by the WHO.

In some locations, concentrations of toxic particulate matter reached peaks of 1,800, equating to 15 to 20 times higher than acceptable standards.

Firecracker Ban and Current Developments

Beginning in 2020, officials had implemented a complete ban on the distribution and bursting of fireworks during the Festival of Lights due to their major role to the dangerous pollution that covers the metropolis as winter sets in.

However in recent months, the current local government approached the judicial authority to seek a easing of the ban.

Officials advocated for allowing "eco-friendly fireworks" – historically criticized by environmental experts as being only approximately one-third reduced emissions – as a balance between "tradition and environment".

Court Decision and Reality

Much to the frustration of public health and environmental advocates, judicial authorities approved the request, mandating that green firecrackers could be ignited during limited hours throughout the celebrations.

During the celebrations, there was widespread violation of the designated hours across the metropolis, with little enforcement regarding whether the firecrackers being used were actually the eco-friendly version.

Numerous monitoring devices throughout Delhi showed pollution spiking around late evening to extremely hazardous measurements seen during the festival in at least the past three years.

Cross-Border Consequences

Extensive ignition of firecrackers during Diwali also sparked a blame game with neighbouring Pakistan, with authorities in Pakistani Punjab pointing to worsening atmospheric conditions in their urban centers on contaminants originating in across the border following the events.

Long-Standing Pollution Problem

Extremely elevated readings of atmospheric toxins in Delhi have persisted as a serious challenge for more than 15 years, with the situation continuing to worsen.

Near Diwali, the levels of toxic airborne contaminants in the environment has been found to spike to 70% higher the worst levels ever measured in the Chinese city, which was formerly regarded as the planet's dirtiest metropolis.

Various Pollution Sources

This crisis in Delhi is caused by a convergence of different contributors including automobile exhaust, dust, construction activities, waste incineration and smoke from farm burning in adjacent regions of neighboring agricultural zones.

In these regions, rural residents routinely set their fields on fire to prepare for next season, generating hazardous pollution that remains stagnant over the city as winter air arrives.

Public Health and Financial Consequences

The economic and health toll on the approximately 33 million residents living in the Delhi area is substantial, according to multiple studies.

These hazardous conditions causes elevated rates of neurological, heart and circulatory and breathing disorders, and can result in malignancies.

The pollution is projected to be accounting for ten thousand early fatalities per year in the capital.