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Tuesday brought citizens of the planet's dirtiest urban center were faced with breathing severely hazardous air that registered in the "alarming" level.

Alarming Air Quality Readings

Multiple areas of the capital recorded an air quality index above 500, which represents 10x the healthy limit established by the global health authority.

Particular areas, concentrations of toxic particulate matter soared to of 1,800, representing 15 to 20 times higher than acceptable levels.

Pyrotechnics Prohibition and Recent Policy Shifts

Beginning in 2020, the government had enforced a complete ban on the distribution and bursting of fireworks during Diwali due to their substantial impact to the dangerous haze that covers the city as the cold season begins.

Yet recently, the newly elected local leadership approached the judicial authority to seek a easing of the ban.

They proposed allowing "environmentally conscious pyrotechnics" – historically doubted by environmental experts as being only roughly 30 percent lower impact – as a middle ground between "heritage and public health".

Court Verdict and Implementation

To the disappointment of environmental and health activists, judges complied with the proposal, specifying that eco-friendly pyrotechnics could be used during limited time windows throughout the Diwali.

During the celebrations, there was extensive violation of the regulated periods across the metropolis, with minimal regulation regarding whether the pyrotechnics being used were actually the eco-friendly variety.

Many monitoring devices throughout Delhi showed pollution spiking around late evening to extremely hazardous readings observed during celebrations in at least three years.

Regional Effects

The proliferation of firecrackers during the celebrations also initiated a controversy with neighbouring the neighboring country, with representatives in Pakistan's Punjab province partly blaming deteriorating atmospheric conditions in their urban centers on pollutants traveling from across the border following the festivities.

Long-Standing Environmental Problem

Alarmingly severe levels of air contamination in the city have remained as a major challenge for over a decade and a half, with the situation showing no improvement.

Around the festival period, the amount of toxic particulate matter in the atmosphere has been documented to spike to seventy percent above the peak readings ever measured in the Chinese city, which was formerly considered as the globally most contaminated metropolis.

Multiple Pollution Factors

The situation in the city is attributed to a combination of multiple factors including transportation pollution, construction debris, building projects, rubbish burning and pollutants from farm burning in neighbouring regions of farming communities.

In these regions, agricultural workers illegally burn crop residue to clear them quickly, generating hazardous pollution that becomes contained over the capital as winter air arrives.

Health and Economic Impact

Public health and economic impact on the roughly thirty-three million inhabitants residing in the capital region is significant, according to multiple studies.

These hazardous conditions leads to elevated rates of nervous system, cardiovascular and breathing diseases, and can potentially cause oncological diseases.

Environmental contamination is estimated to be accounting for approximately 10k early fatalities per year in the capital.