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On Tuesday morning residents of the planet's dirtiest urban center encountered breathing dangerously toxic air that registered in the "severe" level.

Extremely High Pollution Measurements

Several parts of Delhi recorded an pollution measurement over 500, which represents 10x the healthy level established by the global health authority.

Certain monitoring stations, levels of toxic particulate matter soared to of 1800, amounting to 15 to 20 times higher than healthy standards.

Fireworks Ban and Recent Developments

Since 2020, the government had enforced a complete ban on the sale and use of pyrotechnics during Diwali due to their major role to the dangerous pollution that blankets the city as the cold season begins.

However earlier this year, the recently formed local government appealed to the judicial authority to seek a modification of the ban.

They proposed allowing "green crackers" – which have been criticized by conservation groups as being only approximately one-third less polluting – as a compromise between "heritage and ecological concerns".

Legal Verdict and Enforcement

Much to the frustration of medical and ecological campaigners, judges complied with the appeal, specifying that eco-friendly pyrotechnics could be ignited during designated periods throughout the Diwali.

On Monday night, there was widespread flouting of the time restrictions across the capital, with minimal monitoring regarding whether the firecrackers being used were actually the more environmentally friendly variety.

Several monitoring devices throughout the capital recorded pollution peaking around late evening to extremely hazardous measurements observed during Diwali in at least three years.

Regional Implications

The widespread use of pyrotechnics during Diwali also sparked a controversy with neighbouring the neighboring country, with authorities in Pakistan's Punjab province pointing to deteriorating air quality in the city of Lahore on hazardous particles originating in India following the festivities.

Persistent Environmental Issue

Alarmingly severe readings of pollution in Delhi have continued as a major issue for more than 15 years, with the problem showing no improvement.

Near Diwali, the levels of hazardous particles in the atmosphere has been observed to increase dramatically to seventy percent above the most severe levels ever recorded in Beijing, which was formerly viewed as the world's most polluted metropolis.

Multiple Contamination Contributors

This crisis in Delhi is resulting from a convergence of various sources including heavy vehicle emissions, construction debris, development work, waste incineration and pollutants from agricultural fires in nearby regions of Punjab and Haryana.

Within these states, farmers routinely set their fields on fire to expedite field preparation, generating hazardous haze that then gets trapped over the city as winter air sets in.

Health and Economic Toll

The economic and health toll on the roughly thirty-three million residents residing in the capital region is substantial, according to numerous investigations.

These hazardous conditions leads to elevated rates of nervous system, cardiovascular and breathing disorders, and can even lead to cancer.

The pollution is estimated to be responsible for 10,000 early deaths per year in Delhi.