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On Tuesday morning residents of the planet's dirtiest urban center encountered inhaling extremely polluted air that registered in the "critical" range.

Extremely High Pollution Measurements

Several parts of the city registered an AQI over 500, which represents ten times the healthy level established by the WHO.

Certain monitoring stations, concentrations of PM2.5 and PM10 soared to of 1800, equating to 15-20x higher than safe limits.

Firecracker Ban and New Changes

Beginning in 2020, the government had maintained a complete ban on the distribution and bursting of pyrotechnics during celebrations due to their major role to the hazardous haze that blankets the capital as winter sets in.

Nevertheless in recent months, the newly elected city administration petitioned the highest court to request a easing of the ban.

They proposed allowing "environmentally conscious pyrotechnics" – which have been questioned by environmental experts as being only roughly 30 percent less polluting – as a middle ground between "cultural practices and ecological concerns".

Legal Verdict and Enforcement

To the disappointment of medical and ecological advocates, judicial authorities approved the proposal, specifying that eco-friendly pyrotechnics could be used during limited periods throughout the Diwali.

Throughout the festival evening, there was extensive flouting of the designated hours across the metropolis, with insufficient enforcement regarding whether the firecrackers being used were actually the more environmentally friendly type.

Many recording stations throughout the city showed contamination peaking around the night hours to some of the worst levels recorded during the festival in at least recent memory.

Regional Effects

The widespread use of firecrackers during Diwali also initiated a blame game with neighbouring Pakistan, with authorities in Pakistan's Punjab partially attributing deteriorating pollution levels in their urban centers on contaminants originating in across the border following the celebrations.

Chronic Environmental Issue

Alarmingly severe levels of atmospheric toxins in the capital have persisted as a serious issue for fifteen-plus years, with the condition continuing to worsen.

Around the festival period, the concentration of hazardous airborne contaminants in the air has been documented to increase dramatically to significantly exceeding the most severe levels ever documented in the Chinese city, which was previously considered as the planet's dirtiest city.

Various Pollution Contributors

The problem in the city is attributed to a convergence of different contributors including transportation pollution, dust, construction activities, waste incineration and smoke from farm burning in nearby areas of Punjab and Haryana.

Within these states, farmers illegally ignite agricultural waste to prepare for next season, creating hazardous pollution that remains stagnant over the city as cooler air arrives.

Public Health and Economic Consequences

The economic and health impact on the roughly thirty-three million residents calling home the capital region is significant, according to numerous research.

These hazardous conditions results in increased incidence of neurological, heart and circulatory and lung disorders, and can potentially cause cancer.

The pollution is estimated to be causing ten thousand early deaths annually in the city.