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On Tuesday morning inhabitants of this heavily contaminated metropolis found themselves inhaling dangerously toxic air that registered in the "critical" category.

Alarming Air Quality Readings

Multiple areas of the capital recorded an air quality index over 500, which equals ten times the healthy limit set by the WHO.

Particular areas, readings of toxic particulate matter soared to of 1800, equating to 15-20x above acceptable limits.

Fireworks Ban and Recent Changes

Since 2020, officials had enforced a comprehensive restriction on the distribution and bursting of firecrackers during Diwali due to their significant contribution to the dangerous smog that engulfs the metropolis as the cold season begins.

However in recent months, the recently formed city administration petitioned the judicial authority to seek a easing of the restrictions.

They proposed allowing "eco-friendly fireworks" – previously criticized by environmental experts as being only approximately one-third lower impact – as a compromise between "cultural practices and public health".

Judicial Verdict and Reality

Despite concerns of environmental and health activists, judicial authorities approved the request, stipulating that green firecrackers could be ignited during designated time windows throughout the celebrations.

On Monday night, there was extensive disregard of the regulated periods across the city, with insufficient regulation regarding whether the firecrackers being used were actually the more environmentally friendly version.

Many air quality sensors throughout Delhi registered pollution spiking around the night hours to extremely hazardous measurements recorded during celebrations in at least three years.

Cross-Border Implications

Extensive ignition of fireworks during Diwali also initiated a dispute with adjacent the neighboring country, with representatives in Pakistan's Punjab province partly blaming worsening pollution levels in Lahore on contaminants originating in India following the events.

Persistent Environmental Crisis

Alarmingly severe levels of pollution in the city have continued as a serious problem for over a decade and a half, with the situation showing no improvement.

Near Diwali, the concentration of toxic particles in the atmosphere has been observed to shoot up to significantly exceeding the worst records ever measured in Beijing, which was previously viewed as the planet's dirtiest metropolis.

Multiple Contamination Sources

The situation in the city is caused by a combination of multiple factors including heavy vehicle emissions, airborne particles, development work, waste incineration and pollutants from farm burning in adjacent areas of neighboring agricultural zones.

Throughout these areas, agricultural workers illegally set their fields on fire to clear them quickly, producing toxic pollution that remains stagnant over the capital as winter air sets in.

Public Health and Economic Toll

Public health and economic toll on the roughly thirty-three million inhabitants living in the capital region is significant, according to numerous studies.

The contaminated air causes increased incidence of nervous system, cardiovascular and breathing disorders, and can even lead to oncological diseases.

Environmental contamination is calculated to be causing 10,000 early fatalities each year in Delhi.