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As Tuesday dawned citizens of this heavily contaminated metropolis were faced with inhaling dangerously toxic air that was classified as the "severe" category.

Record-Breaking Pollution Readings

Multiple areas of Delhi recorded an air quality index over 500, which equals 10x the recommended limit established by the global health authority.

Certain monitoring stations, levels of dangerous airborne particles soared to of 1,800, amounting to 15-20x exceeding safe limits.

Fireworks Ban and Recent Developments

Since 2020, the government had maintained a total prohibition on the sale and use of firecrackers during celebrations due to their major role to the dangerous smog that engulfs the city as the cold season approaches.

However recently, the current city administration petitioned the highest court to request a relaxation of the restrictions.

They proposed allowing "eco-friendly fireworks" – previously questioned by environmentalists as being only roughly 30 percent reduced emissions – as a balance between "tradition and ecological concerns".

Legal Verdict and Implementation

Despite concerns of environmental and health activists, judicial authorities complied with the appeal, stipulating that eco-friendly pyrotechnics could be set off during designated hours throughout the Diwali.

Throughout the festival evening, there was extensive violation of the designated hours across the capital, with insufficient regulation regarding whether the fireworks being used were actually the more environmentally friendly variety.

Several monitoring devices throughout the capital registered contamination spiking around midnight to the most severe readings seen during celebrations in at least recent memory.

Cross-Border Implications

The widespread use of firecrackers during the celebrations also initiated a blame game with adjacent Pakistan, with authorities in Pakistani the Punjab region partly blaming declining atmospheric conditions in the city of Lahore on contaminants traveling from neighboring India following the celebrations.

Chronic Environmental Issue

The dangerously high concentrations of pollution in the city have persisted as a significant challenge for fifteen-plus years, with the situation continuing to worsen.

Near Diwali, the concentration of toxic airborne contaminants in the air has been found to spike to significantly exceeding the peak records ever measured in China's capital, which was once regarded as the planet's dirtiest urban center.

Various Pollution Sources

The situation in the capital is attributed to a mix of different contributors including transportation pollution, dust, construction activities, waste incineration and smoke from farm burning in neighbouring states of Punjab and Haryana.

Throughout these areas, rural residents routinely ignite agricultural waste to prepare for next season, producing toxic smog that becomes contained over the capital as colder air descends.

Medical and Financial Toll

The economic and health toll on the approximately 33 million inhabitants residing in the capital region is enormous, according to various studies.

This pollution leads to high levels of neurological, heart and circulatory and breathing conditions, and can result in malignancies.

Air quality crisis is estimated to be responsible for 10,000 premature mortalities per year in Delhi.