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On Tuesday morning citizens of the world's most polluted city were faced with exposed to severely hazardous air that was classified as the "critical" category.

Extremely High Pollution Readings

Several parts of the city registered an air quality index exceeding 500, which translates to ten times the recommended limit recommended by the WHO.

In some locations, levels of toxic particulate matter hit highs of 1800, representing fifteen to twenty times above acceptable standards.

Firecracker Prohibition and Recent Changes

Beginning in 2020, the government had maintained a comprehensive restriction on the purchase and ignition of pyrotechnics during the Festival of Lights due to their significant contribution to the dangerous pollution that covers the city as winter approaches.

Yet recently, the current regional government petitioned the judicial authority to request a relaxation of the prohibition.

The suggestion was allowing "environmentally conscious pyrotechnics" – previously doubted by conservation groups as being only roughly 30 percent lower impact – as a balance between "cultural practices and public health".

Legal Verdict and Enforcement

Despite concerns of public health and environmental advocates, the court complied with the request, specifying that eco-friendly pyrotechnics could be ignited during limited hours throughout the festival.

Throughout the festival evening, there was extensive violation of the time restrictions across the capital, with insufficient enforcement regarding whether the pyrotechnics being used were actually the supposedly greener variety.

Numerous air quality sensors throughout Delhi registered air quality spiking around the night hours to the most severe measurements seen during Diwali in at least recent memory.

International Effects

Extensive ignition of fireworks during Diwali also sparked a blame game with neighbouring the neighboring country, with representatives in Pakistan's Punjab province pointing to worsening air quality in Lahore on pollutants originating in across the border following the celebrations.

Persistent Environmental Issue

Alarmingly severe readings of atmospheric toxins in the capital have continued as a significant issue for fifteen-plus years, with the situation showing no improvement.

Around the festival period, the concentration of hazardous airborne contaminants in the atmosphere has been found to shoot up to 70% higher the peak levels ever documented in China's capital, which was previously viewed as the planet's dirtiest metropolis.

Diverse Pollution Sources

The situation in the capital is caused by a convergence of multiple factors including automobile exhaust, airborne particles, building projects, garbage fires and smoke from agricultural fires in nearby areas of farming communities.

Within these states, farmers routinely burn crop residue to expedite field preparation, producing hazardous pollution that then gets trapped over the capital as winter air descends.

Public Health and Economic Toll

Public health and economic toll on the approximately 33 million residents residing in the metropolitan zone is significant, according to numerous research.

These hazardous conditions leads to increased incidence of nervous system, cardiovascular and breathing diseases, and can even lead to cancer.

Environmental contamination is estimated to be causing approximately 10k untimely fatalities per year in the city.