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Tuesday brought citizens of the planet's dirtiest urban center encountered inhaling severely hazardous air that registered in the "critical" category.

Record-Breaking Pollution Levels

Multiple areas of the city recorded an air quality index above 500, which equals ten times the recommended threshold set by the World Health Organization.

Particular areas, levels of PM2.5 and PM10 reached peaks of 1800, representing 15-20x higher than safe standards.

Fireworks Restrictions and Recent Developments

Since 2020, the government had maintained a comprehensive restriction on the purchase and ignition of pyrotechnics during the Festival of Lights due to their significant contribution to the hazardous haze that covers the metropolis as the cold season sets in.

Nevertheless in recent months, the current city leadership approached the judicial authority to propose a modification of the restrictions.

The suggestion was allowing "green crackers" – previously criticized by environmental experts as being only roughly 30 percent less polluting – as a middle ground between "cultural practices and environment".

Court Ruling and Enforcement

Much to the frustration of medical and ecological campaigners, judicial authorities agreed to the request, stipulating that eco-friendly pyrotechnics could be set off during designated periods throughout the Diwali.

On Monday night, there was considerable flouting of the designated hours across the capital, with little regulation regarding whether the fireworks being used were actually the more environmentally friendly version.

Numerous air quality sensors throughout the capital registered contamination spiking around the night hours to extremely hazardous readings observed during Diwali in at least the past three years.

Regional Implications

Extensive ignition of pyrotechnics during the festival also initiated a blame game with bordering the neighboring country, with representatives in Pakistani Punjab province partially attributing worsening atmospheric conditions in Lahore on contaminants coming from India following the festivities.

Long-Standing Pollution Crisis

Extremely elevated levels of atmospheric toxins in the city have continued as a major problem for over a decade and a half, with the problem continuing to worsen.

During Diwali, the amount of hazardous airborne contaminants in the atmosphere has been observed to shoot up to significantly exceeding the worst records ever measured in the Chinese city, which was previously regarded as the globally most contaminated city.

Multiple Pollution Factors

The problem in the capital is attributed to a convergence of different contributors including transportation pollution, construction debris, construction activities, waste incineration and pollutants from crop residue ignition in neighbouring regions of neighboring agricultural zones.

Throughout these areas, agricultural workers illegally ignite agricultural waste to expedite field preparation, producing toxic haze that remains stagnant over the city as winter air arrives.

Health and Financial Impact

Both financial and medical consequences on the nearly 33 million residents calling home the metropolitan zone is significant, according to multiple studies.

The contaminated air leads to elevated rates of nervous system, cardiovascular and respiratory diseases, and can result in cancer.

Environmental contamination is estimated to be responsible for ten thousand early fatalities each year in the city.