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On Tuesday morning residents of the planet's dirtiest urban center encountered breathing severely hazardous air that registered in the "severe" category.

Alarming Pollution Readings

Multiple areas of Delhi registered an AQI exceeding 500, which represents ten times the recommended limit set by the World Health Organization.

In some locations, readings of dangerous airborne particles reached peaks of 1800, equating to fifteen to twenty times above safe levels.

Fireworks Ban and Recent Developments

Beginning in 2020, officials had enforced a complete ban on the sale and use of firecrackers during Diwali due to their substantial impact to the deadly smog that covers the city as winter begins.

However in recent months, the recently formed local government petitioned the supreme court to propose a easing of the ban.

The suggestion was allowing "green crackers" – which have been questioned by environmental experts as being only about 30% lower impact – as a compromise between "tradition and environment".

Legal Ruling and Implementation

Much to the frustration of public health and environmental campaigners, judges approved the appeal, stipulating that eco-friendly pyrotechnics could be used during designated hours throughout the celebrations.

Throughout the festival evening, there was considerable disregard of the regulated periods across the metropolis, with little enforcement regarding whether the firecrackers being used were actually the more environmentally friendly version.

Many monitoring devices throughout the capital showed air quality reaching highest levels around late evening to the most severe measurements seen during the festival in at least recent memory.

International Implications

The proliferation of pyrotechnics during Diwali also initiated a blame game with neighbouring Pakistan, with representatives in Pakistani the Punjab region partially attributing worsening pollution levels in Lahore on hazardous particles coming from neighboring India following the celebrations.

Persistent Environmental Crisis

Extremely elevated concentrations of air contamination in the city have persisted as a major issue for fifteen-plus years, with the problem gradually deteriorating.

During Diwali, the amount of hazardous airborne contaminants in the air has been documented to shoot up to 70% higher the most severe readings ever measured in China's capital, which was previously viewed as the planet's dirtiest metropolis.

Various Contamination Sources

This crisis in the city is resulting from a convergence of various sources including heavy vehicle emissions, airborne particles, development work, waste incineration and smoke from agricultural fires in nearby regions of farming communities.

Within these states, rural residents illegally set their fields on fire to prepare for next season, creating dangerous smog that becomes contained over the capital as winter air sets in.

Public Health and Economic Consequences

Public health and economic consequences on the approximately 33 million inhabitants residing in the Delhi area is enormous, according to multiple investigations.

These hazardous conditions causes increased incidence of neurological, cardiovascular and respiratory disorders, and can potentially cause oncological diseases.

The pollution is calculated to be responsible for 10,000 early mortalities annually in the city.