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As Tuesday dawned citizens of the planet's dirtiest urban center found themselves breathing extremely polluted air that registered in the "severe" category.

Extremely High Pollution Readings

Several parts of the capital showed an pollution measurement above 500, which equals a tenfold increase over the recommended level set by the global health authority.

Particular areas, readings of toxic particulate matter reached peaks of eighteen hundred, amounting to 15 to 20 times above healthy levels.

Firecracker Ban and Recent Policy Shifts

For the past four years, authorities had implemented a total prohibition on the sale and use of firecrackers during celebrations due to their substantial impact to the hazardous haze that blankets the metropolis as colder weather begins.

Yet recently, the current regional government petitioned the highest court to seek a modification of the prohibition.

Officials advocated for allowing "eco-friendly fireworks" – which have been criticized by environmental experts as being only about 30% reduced emissions – as a compromise between "heritage and ecological concerns".

Court Ruling and Reality

Despite concerns of public health and environmental advocates, the court agreed to the request, specifying that environmentally conscious fireworks could be set off during designated hours throughout the celebrations.

On Monday night, there was extensive violation of the time restrictions across the city, with minimal monitoring regarding whether the firecrackers being used were actually the supposedly greener version.

Numerous recording stations throughout the city recorded pollution spiking around the night hours to the most severe readings recorded during Diwali in at least recent memory.

Cross-Border Implications

The proliferation of fireworks during Diwali also sparked a blame game with bordering the neighboring country, with authorities in Pakistan's Punjab partially attributing worsening pollution levels in Lahore on hazardous particles originating in across the border following the festivities.

Chronic Pollution Problem

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

During the festival period, the levels of dangerous airborne contaminants in the environment has been found to shoot up to seventy percent above the worst records ever measured in Beijing, which was formerly regarded as the globally most contaminated city.

Multiple Pollution Factors

This crisis in Delhi is resulting from a mix of multiple factors including transportation pollution, construction debris, development work, waste incineration and smoke from agricultural fires in adjacent states of Punjab and Haryana.

Within these states, farmers regularly burn crop residue to clear them quickly, generating hazardous smog that then gets trapped over the metropolitan area as colder air sets in.

Medical and Financial Consequences

Public health and economic consequences on the nearly 33 million inhabitants residing in the metropolitan zone is significant, according to multiple research.

The contaminated air causes increased incidence of nervous system, heart and circulatory and lung diseases, and can result in oncological diseases.

Environmental contamination is calculated to be causing ten thousand premature deaths each year in the city.