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As Tuesday dawned inhabitants of the planet's dirtiest urban center found themselves inhaling severely hazardous air that was classified as the "severe" range.

Alarming Air Quality Levels

Several parts of Delhi recorded an AQI above 500, which represents a tenfold increase over the recommended level set by the World Health Organization.

Certain monitoring stations, readings of dangerous airborne particles hit highs of 1,800, equating to 15-20x higher than acceptable levels.

Firecracker Restrictions and Recent Changes

Since 2020, authorities had implemented a complete ban on the sale and use of fireworks during celebrations due to their substantial impact to the dangerous pollution that covers the metropolis as the cold season sets in.

Nevertheless recently, the current local administration approached the supreme court to request a easing of the ban.

Officials advocated for allowing "green crackers" – which have been criticized by environmentalists as being only roughly 30 percent less polluting – as a middle ground between "tradition and ecological concerns".

Legal Verdict and Reality

Much to the frustration of environmental and health campaigners, the court agreed to the proposal, mandating that eco-friendly pyrotechnics could be set off during designated periods throughout the celebrations.

Throughout the festival evening, there was extensive flouting of the regulated periods across the metropolis, with insufficient regulation regarding whether the pyrotechnics being used were actually the supposedly greener variety.

Numerous air quality sensors throughout the capital registered contamination peaking around midnight to some of the worst measurements recorded during celebrations in at least three years.

International Implications

The widespread use of fireworks during Diwali also sparked a dispute with neighbouring the neighboring country, with representatives in Pakistani Punjab partially attributing deteriorating atmospheric conditions in Lahore on pollutants traveling from neighboring India following the events.

Long-Standing Environmental Problem

The dangerously high concentrations of air contamination in the capital have persisted as a major problem for more than 15 years, with the situation gradually deteriorating.

Around the festival period, the concentration of hazardous airborne contaminants in the air has been found to shoot up to 70% higher the peak levels ever recorded in Beijing, which was previously regarded as the planet's dirtiest urban center.

Various Contamination Contributors

The situation in the capital is resulting from a convergence of various sources including heavy vehicle emissions, airborne particles, construction activities, rubbish burning and haze from agricultural fires in neighbouring regions of neighboring agricultural zones.

Within these states, farmers regularly burn crop residue to expedite field preparation, generating toxic pollution that remains stagnant over the capital as winter air sets in.

Health and Financial Toll

The economic and health impact on the roughly thirty-three million inhabitants calling home the metropolitan zone is substantial, according to numerous studies.

This pollution causes increased incidence of neurological, heart and circulatory and lung disorders, and can even lead to cancer.

Environmental contamination is calculated to be accounting for ten thousand untimely fatalities each year in the city.