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As Tuesday dawned residents of the planet's dirtiest urban center were faced with exposed to severely hazardous air that registered in the "severe" level.

Alarming Pollution Readings

Multiple areas of the city showed an pollution measurement exceeding 500, which translates to 10x the safe level recommended by the WHO.

Particular areas, concentrations of toxic particulate matter hit highs of 1800, representing 15 to 20 times higher than acceptable limits.

Fireworks Ban and Recent Developments

Since 2020, authorities had implemented a total prohibition on the sale and use of firecrackers during celebrations due to their major role to the dangerous smog that engulfs the capital as colder weather sets in.

However in recent months, the recently formed regional government appealed to the highest court to seek a easing of the restrictions.

Officials advocated for allowing "eco-friendly fireworks" – historically questioned by environmentalists as being only about 30% reduced emissions – as a balance between "cultural practices and environment".

Legal Verdict and Reality

To the disappointment of public health and environmental campaigners, the court agreed to the proposal, stipulating that environmentally conscious fireworks could be ignited during specific hours throughout the festival.

On Monday night, there was widespread disregard of the regulated periods across the city, with little monitoring regarding whether the firecrackers being used were actually the supposedly greener variety.

Many recording stations throughout the city recorded contamination peaking around the night hours to some of the worst measurements observed during Diwali in at least recent memory.

Cross-Border Implications

Extensive ignition of fireworks during the celebrations also sparked a dispute with bordering Pakistan, with representatives in Pakistan's the Punjab region partly blaming worsening pollution levels in their urban centers on contaminants coming from neighboring India following the festivities.

Chronic Pollution Problem

The dangerously high concentrations of pollution in the city have remained as a major problem for more than 15 years, with the situation gradually deteriorating.

Near Diwali, the concentration of dangerous particles in the environment has been documented to shoot up to seventy percent above the worst records ever recorded in the Chinese city, which was previously regarded as the planet's dirtiest city.

Diverse Pollution Contributors

This crisis in Delhi is caused by a convergence of different contributors including heavy vehicle emissions, dust, building projects, garbage fires and pollutants from agricultural fires in adjacent states of neighboring agricultural zones.

Throughout these areas, rural residents routinely ignite agricultural waste to prepare for next season, generating hazardous pollution that then gets trapped over the metropolitan area as colder air sets in.

Medical and Financial Toll

Public health and economic toll on the roughly thirty-three million people living in the Delhi area is enormous, according to various research.

The contaminated air causes elevated rates of nervous system, heart and circulatory and respiratory conditions, and can potentially cause oncological diseases.

Environmental contamination is calculated to be causing ten thousand untimely mortalities each year in the city.