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As Tuesday dawned citizens of the world's most polluted city found themselves breathing severely hazardous air that registered in the "critical" category.

Alarming Pollution Measurements

Several parts of the city showed an pollution measurement exceeding 500, which equals 10x the recommended limit recommended by the global health authority.

In some locations, readings of dangerous airborne particles reached peaks of eighteen hundred, amounting to 15 to 20 times above safe limits.

Firecracker Prohibition and Recent Developments

Beginning in 2020, the government had implemented a total prohibition on the distribution and bursting of fireworks during celebrations due to their major role to the deadly pollution that blankets the metropolis as winter sets in.

Yet in recent months, the newly elected local leadership petitioned the highest court to seek a relaxation of the ban.

They proposed allowing "eco-friendly fireworks" – previously doubted by environmentalists as being only roughly 30 percent less polluting – as a middle ground between "tradition and ecological concerns".

Court Decision and Implementation

To the disappointment of medical and ecological advocates, the court complied with the proposal, specifying that environmentally conscious fireworks could be set off during designated hours throughout the festival.

Throughout the festival evening, there was extensive disregard of the time restrictions across the metropolis, with minimal enforcement regarding whether the fireworks being used were actually the more environmentally friendly version.

Many monitoring devices throughout Delhi showed pollution peaking around midnight to the most severe levels seen during the festival in at least three years.

Cross-Border Consequences

The proliferation of firecrackers during the festival also triggered a dispute with bordering the neighboring country, with representatives in Pakistani the Punjab region pointing to deteriorating air quality in Lahore on pollutants traveling from across the border following the events.

Chronic Pollution Problem

The dangerously high concentrations of air contamination in Delhi have remained as a major challenge for over a decade and a half, with the condition continuing to worsen.

During Diwali, the amount of toxic airborne contaminants in the atmosphere has been documented to spike to 70% higher the most severe levels ever recorded in Beijing, which was formerly regarded as the planet's dirtiest metropolis.

Various Contamination Sources

The situation in the city is attributed to a convergence of different contributors including automobile exhaust, construction debris, construction activities, garbage fires and haze from farm burning in neighbouring areas of farming communities.

Throughout these areas, rural residents regularly burn crop residue to expedite field preparation, generating hazardous pollution that then gets trapped over the metropolitan area as winter air descends.

Medical and Financial Consequences

Public health and economic toll on the nearly 33 million residents residing in the capital region is enormous, according to numerous research.

These hazardous conditions causes high levels of neurological, heart and circulatory and respiratory diseases, and can potentially cause oncological diseases.

Air quality crisis is projected to be causing 10,000 premature fatalities per year in the city.