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On Tuesday morning inhabitants of the planet's dirtiest urban center were faced with breathing extremely polluted air that fell into the "alarming" category.

Alarming Pollution Levels

Various sections of the capital showed an air quality index above 500, which translates to ten times the healthy threshold recommended by the World Health Organization.

Particular areas, readings of dangerous airborne particles hit highs of 1,800, equating to 15-20x exceeding safe levels.

Fireworks Ban and Recent Policy Shifts

Beginning in 2020, officials had maintained a complete ban on the purchase and ignition of fireworks during celebrations due to their major role to the dangerous haze that blankets the metropolis as the cold season sets in.

Yet in recent months, the recently formed local administration approached the supreme court to seek a easing of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically criticized by environmentalists as being only roughly 30 percent reduced emissions – as a middle ground between "heritage and ecological concerns".

Judicial Verdict and Reality

To the disappointment of environmental and health advocates, judges agreed to the proposal, mandating that eco-friendly pyrotechnics could be set off during designated periods throughout the Diwali.

During the celebrations, there was considerable flouting of the time restrictions across the city, with minimal regulation regarding whether the firecrackers being used were actually the eco-friendly type.

Numerous air quality sensors throughout the city recorded contamination reaching highest levels around late evening to the most severe measurements observed during celebrations in at least three years.

Regional Effects

Extensive ignition of fireworks during the festival also sparked a blame game with adjacent Pakistan, with officials in Pakistan's Punjab province partially attributing worsening atmospheric conditions in the city of Lahore on hazardous particles coming from neighboring India following the events.

Chronic Environmental Problem

Alarmingly severe readings of pollution in the city have persisted as a significant issue for over a decade and a half, with the condition continuing to worsen.

Around the festival period, the concentration of dangerous particulate matter in the atmosphere has been found to shoot up to significantly exceeding the peak levels ever documented in China's capital, which was formerly considered as the planet's dirtiest urban center.

Various Contamination Contributors

The situation in the city is caused by a mix of multiple factors including heavy vehicle emissions, dust, construction activities, rubbish burning and haze from crop residue ignition in neighbouring areas of neighboring agricultural zones.

Within these states, agricultural workers routinely set their fields on fire to prepare for next season, creating hazardous smog that becomes contained over the metropolitan area as colder air sets in.

Public Health and Financial Impact

Both financial and medical consequences on the approximately 33 million residents calling home the capital region is substantial, according to numerous research.

This pollution causes elevated rates of neurological, cardiovascular and lung diseases, and can even lead to oncological diseases.

Air quality crisis is estimated to be responsible for approximately 10k premature fatalities annually in the capital.