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Tuesday brought citizens of the world's most polluted city found themselves exposed to severely hazardous air that was classified as the "alarming" level.

Extremely High Air Quality Levels

Several parts of Delhi recorded an air quality index above 500, which equals 10x the safe level set by the World Health Organization.

Particular areas, concentrations of dangerous airborne particles soared to of 1,800, representing 15-20x above healthy standards.

Pyrotechnics Restrictions and Current Changes

Beginning in 2020, authorities had implemented a comprehensive restriction on the purchase and ignition of pyrotechnics during the Festival of Lights due to their substantial impact to the deadly smog that covers the capital as winter sets in.

However in recent months, the newly elected local leadership approached the supreme court to propose a easing of the prohibition.

Officials advocated for allowing "green crackers" – historically criticized by environmental experts as being only approximately one-third reduced emissions – as a balance between "heritage and public health".

Judicial Ruling and Reality

To the disappointment of environmental and health advocates, the court approved the request, stipulating that environmentally conscious fireworks could be set off during designated periods throughout the festival.

During the celebrations, there was considerable disregard of the time restrictions across the city, with minimal enforcement regarding whether the fireworks being used were actually the supposedly greener type.

Numerous recording stations throughout the capital showed pollution peaking around the night hours to extremely hazardous measurements observed during celebrations in at least three years.

International Implications

The proliferation of pyrotechnics during the festival also initiated a controversy with adjacent the neighboring country, with representatives in Pakistani Punjab province partially attributing deteriorating pollution levels in their urban centers on contaminants coming from neighboring India following the celebrations.

Persistent Pollution Issue

Alarmingly severe readings of atmospheric toxins in the city have continued as a serious issue for more than 15 years, with the problem continuing to worsen.

Around the festival period, the amount of dangerous particulate matter in the atmosphere has been found to shoot up to seventy percent above the worst readings ever measured in China's capital, which was previously considered as the globally most contaminated urban center.

Diverse Pollution Sources

The problem in the city is attributed to a combination of various sources including automobile exhaust, airborne particles, building projects, rubbish burning and haze from agricultural fires in nearby areas of neighboring agricultural zones.

In these regions, farmers routinely set their fields on fire to prepare for next season, producing dangerous haze that becomes contained over the capital as winter air descends.

Medical and Financial Consequences

Public health and economic toll on the approximately 33 million people calling home the Delhi area is substantial, according to numerous studies.

These hazardous conditions causes increased incidence of nervous system, cardiovascular and lung diseases, and can result in malignancies.

Environmental contamination is estimated to be causing ten thousand untimely deaths annually in the city.