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As Tuesday dawned inhabitants of the world's most polluted city encountered exposed to severely hazardous air that fell into the "alarming" range.

Extremely High Air Quality Readings

Several parts of the capital registered an pollution measurement exceeding 500, which represents a tenfold increase over the healthy level established by the global health authority.

In some locations, levels of dangerous airborne particles soared to of eighteen hundred, equating to fifteen to twenty times exceeding healthy standards.

Fireworks Restrictions and Current Changes

For the past four years, the government had implemented a comprehensive restriction on the distribution and bursting of fireworks during celebrations due to their major role to the deadly pollution that blankets the capital as the cold season begins.

Nevertheless in recent months, the recently formed regional government approached the judicial authority to seek a relaxation of the restrictions.

The suggestion was allowing "environmentally conscious pyrotechnics" – previously doubted by conservation groups as being only approximately one-third lower impact – as a compromise between "tradition and environment".

Judicial Decision and Enforcement

Much to the frustration of environmental and health activists, judges complied with the proposal, mandating that green firecrackers could be set off during designated time windows throughout the celebrations.

On Monday night, there was widespread violation of the regulated periods across the city, with insufficient monitoring regarding whether the fireworks being used were actually the supposedly greener type.

Several recording stations throughout Delhi showed contamination peaking around midnight to the most severe levels observed during the festival in at least three years.

Cross-Border Effects

The proliferation of fireworks during Diwali also sparked a blame game with neighbouring the neighboring country, with officials in Pakistani Punjab partially attributing worsening pollution levels in Lahore on hazardous particles originating in neighboring India following the events.

Long-Standing Pollution Problem

The dangerously high levels of air contamination in the city have persisted as a serious challenge for more than 15 years, with the situation continuing to worsen.

Around the festival period, the levels of toxic particles in the air has been found to spike to seventy percent above the peak levels ever documented in China's capital, which was once considered as the planet's dirtiest city.

Various Pollution Sources

This crisis in Delhi is caused by a combination of multiple factors including transportation pollution, airborne particles, development work, waste incineration and smoke from agricultural fires in nearby areas of neighboring agricultural zones.

In these regions, farmers routinely burn crop residue to expedite field preparation, creating toxic pollution that remains stagnant over the metropolitan area as colder air sets in.

Health and Financial Impact

The economic and health impact on the approximately 33 million people residing in the Delhi area is substantial, according to multiple studies.

This pollution results in increased incidence of neurological, heart and circulatory and respiratory diseases, and can potentially cause cancer.

Environmental contamination is estimated to be causing approximately 10k untimely deaths annually in Delhi.