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Tuesday brought residents of the world's most polluted city were faced with inhaling dangerously toxic air that fell into the "severe" category.

Record-Breaking Pollution Readings

Multiple areas of Delhi recorded an AQI over 500, which represents a tenfold increase over the safe level established by the World Health Organization.

Certain monitoring stations, readings of dangerous airborne particles soared to of 1800, representing 15 to 20 times exceeding safe levels.

Pyrotechnics Prohibition and New Developments

For the past four years, authorities had implemented a comprehensive restriction on the purchase and ignition of fireworks during celebrations due to their significant contribution to the hazardous haze that engulfs the capital as colder weather sets in.

Yet recently, the recently formed regional administration approached the supreme court to propose a modification of the ban.

Officials advocated for allowing "green crackers" – previously questioned by conservation groups as being only roughly 30 percent less polluting – as a compromise between "cultural practices and environment".

Judicial Verdict and Implementation

Despite concerns of environmental and health activists, judges complied with the appeal, stipulating that environmentally conscious fireworks could be ignited during specific hours throughout the festival.

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

Numerous recording stations throughout the capital showed contamination peaking around the night hours to some of the worst measurements observed during celebrations in at least three years.

Regional Effects

The proliferation of fireworks during the celebrations also triggered a controversy with bordering Pakistan, with officials in Pakistani the Punjab region pointing to deteriorating pollution levels in the city of Lahore on hazardous particles coming from neighboring India following the events.

Long-Standing Pollution Crisis

The dangerously high readings of atmospheric toxins in the capital have remained as a major problem for over a decade and a half, with the problem continuing to worsen.

Near celebratory seasons, the amount of hazardous particulate matter in the air has been found to shoot up to seventy percent above the peak levels ever measured in Beijing, which was formerly regarded as the globally most contaminated urban center.

Diverse Pollution Factors

The problem in the city is resulting from a mix of various sources including heavy vehicle emissions, construction debris, building projects, rubbish burning and haze from farm burning in neighbouring regions of Punjab and Haryana.

Within these states, farmers illegally set their fields on fire to expedite field preparation, generating toxic smog that becomes contained over the capital as colder air sets in.

Medical and Economic Impact

Both financial and medical impact on the roughly thirty-three million residents residing in the Delhi area is significant, according to various investigations.

This pollution results in elevated rates of nervous system, cardiovascular and lung disorders, and can even lead to oncological diseases.

Environmental contamination is projected to be responsible for approximately 10k untimely deaths per year in Delhi.