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As Tuesday dawned citizens of the planet's dirtiest urban center found themselves inhaling dangerously toxic air that registered in the "alarming" category.

Extremely High Pollution Levels

Multiple areas of the city showed an air quality index above 500, which translates to a tenfold increase over the recommended level established by the WHO.

Certain monitoring stations, concentrations of PM2.5 and PM10 reached peaks of 1,800, representing fifteen to twenty times higher than healthy levels.

Firecracker Ban and Current Policy Shifts

Beginning in 2020, the government had enforced a complete ban on the distribution and bursting of pyrotechnics during the Festival of Lights due to their substantial impact to the hazardous haze that covers the metropolis as winter approaches.

Yet recently, the newly elected city leadership appealed to the supreme court to propose a relaxation of the prohibition.

Officials advocated for allowing "green crackers" – which have been criticized by conservation groups as being only roughly 30 percent reduced emissions – as a compromise between "cultural practices and ecological concerns".

Court Decision and Reality

Much to the frustration of medical and ecological advocates, judicial authorities agreed to the proposal, specifying that green firecrackers could be used during specific hours throughout the Diwali.

During the celebrations, there was considerable flouting of the regulated periods across the capital, with insufficient enforcement regarding whether the firecrackers being used were actually the supposedly greener type.

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

Regional Consequences

The proliferation of firecrackers during the celebrations also sparked a blame game with neighbouring the neighboring country, with authorities in Pakistani the Punjab region pointing to deteriorating atmospheric conditions in the city of Lahore on pollutants traveling from across the border following the festivities.

Chronic Environmental Problem

Alarmingly severe readings of atmospheric toxins in the city have continued as a serious challenge for over a decade and a half, with the situation continuing to worsen.

Near celebratory seasons, the concentration of hazardous particulate matter in the atmosphere has been documented to shoot up to significantly exceeding the peak levels ever recorded in Beijing, which was formerly considered as the world's most polluted urban center.

Multiple Contamination Sources

This crisis in the city is caused by a combination of various sources including heavy vehicle emissions, airborne particles, construction activities, waste incineration and pollutants from farm burning in nearby regions of neighboring agricultural zones.

Within these states, rural residents routinely ignite agricultural waste to expedite field preparation, producing dangerous smog that remains stagnant over the metropolitan area as winter air descends.

Medical and Economic Toll

Both financial and medical impact on the nearly 33 million inhabitants residing in the Delhi area is enormous, according to multiple research.

The contaminated air results in high levels of neurological, cardiovascular and respiratory disorders, and can potentially cause cancer.

Environmental contamination is estimated to be accounting for 10,000 premature deaths each year in the city.