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Tuesday brought residents of the planet's dirtiest urban center were faced with inhaling extremely polluted air that fell into the "severe" range.

Extremely High Pollution Levels

Multiple areas of Delhi registered an pollution measurement exceeding 500, which represents ten times the healthy threshold established by the global health authority.

Particular areas, levels of dangerous airborne particles hit highs of eighteen hundred, representing 15 to 20 times exceeding safe limits.

Fireworks Prohibition and Recent Developments

Beginning in 2020, officials had enforced a total prohibition on the sale and use of pyrotechnics during the Festival of Lights due to their substantial impact to the deadly smog that blankets the metropolis as winter begins.

Yet in recent months, the current local administration appealed to the highest court to propose a relaxation of the restrictions.

They proposed allowing "environmentally conscious pyrotechnics" – historically questioned by environmental experts as being only approximately one-third less polluting – as a middle ground between "heritage and environment".

Legal Verdict and Enforcement

To the disappointment of public health and environmental activists, judges approved the request, stipulating that environmentally conscious fireworks could be set off during designated periods throughout the Diwali.

During the celebrations, there was considerable violation of the regulated periods across the metropolis, with minimal monitoring regarding whether the pyrotechnics being used were actually the more environmentally friendly type.

Several air quality sensors throughout the capital recorded pollution reaching highest levels around midnight to extremely hazardous readings recorded during Diwali in at least the past three years.

International Implications

The widespread use of firecrackers during Diwali also triggered a blame game with bordering Pakistan, with representatives in Pakistan's Punjab partly blaming declining air quality in the city of Lahore on contaminants originating in India following the celebrations.

Chronic Pollution Issue

The dangerously high concentrations of air contamination in the capital have continued as a significant issue for fifteen-plus years, with the situation gradually deteriorating.

Around the festival period, the amount of toxic airborne contaminants in the atmosphere has been observed to shoot up to seventy percent above the most severe records ever documented in the Chinese city, which was previously considered as the planet's dirtiest city.

Diverse Contamination Sources

The situation in the city is resulting from a mix of different contributors including transportation pollution, construction debris, construction activities, rubbish burning and pollutants from farm burning in neighbouring regions of farming communities.

In these regions, agricultural workers illegally burn crop residue to prepare for next season, producing toxic smog that becomes contained over the city as colder air descends.

Public Health and Economic Impact

Public health and economic consequences on the approximately 33 million inhabitants residing in the capital region is substantial, according to various studies.

This pollution leads to high levels of neurological, cardiovascular and respiratory conditions, and can even lead to cancer.

Environmental contamination is estimated to be accounting for 10,000 untimely mortalities each year in the capital.