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Tuesday brought inhabitants of the planet's dirtiest urban center encountered breathing extremely polluted air that fell into the "severe" range.

Alarming Pollution Readings

Various sections of the city showed an air quality index over 500, which translates to 10x the recommended limit set by the World Health Organization.

Certain monitoring stations, readings of dangerous airborne particles reached peaks of eighteen hundred, amounting to 15 to 20 times above acceptable limits.

Pyrotechnics Restrictions and Recent Developments

Since 2020, officials had maintained a comprehensive restriction on the distribution and bursting of pyrotechnics during Diwali due to their major role to the hazardous haze that covers the metropolis as the cold season begins.

However recently, the newly elected city administration petitioned the highest court to seek a easing of the restrictions.

They proposed allowing "green crackers" – historically questioned by environmental experts as being only roughly 30 percent less polluting – as a compromise between "tradition and ecological concerns".

Court Decision and Reality

Much to the frustration of public health and environmental campaigners, judges approved the proposal, stipulating that eco-friendly pyrotechnics could be ignited during designated periods throughout the Diwali.

On Monday night, there was widespread flouting of the time restrictions across the metropolis, with insufficient enforcement regarding whether the fireworks being used were actually the eco-friendly version.

Many recording stations throughout the city recorded contamination peaking around midnight to the most severe readings observed during Diwali in at least the past three years.

Regional Implications

The widespread use of fireworks during the festival also sparked a blame game with neighbouring Pakistan, with authorities in Pakistani Punjab partly blaming deteriorating atmospheric conditions in their urban centers on pollutants originating in India following the festivities.

Long-Standing Pollution Crisis

Alarmingly severe readings of pollution in Delhi have remained as a major problem for fifteen-plus years, with the condition continuing to worsen.

Around celebratory seasons, the levels of dangerous particulate matter in the air has been documented to spike to 70% higher the most severe readings ever recorded in Beijing, which was previously viewed as the world's most polluted metropolis.

Diverse Pollution Sources

The situation in Delhi is caused by a mix of multiple factors including heavy vehicle emissions, dust, building projects, rubbish burning and smoke from crop residue ignition in adjacent states of farming communities.

Within these states, rural residents routinely set their fields on fire to clear them quickly, generating dangerous pollution that remains stagnant over the metropolitan area as winter air arrives.

Health and Financial Consequences

Both financial and medical impact on the roughly thirty-three million residents residing in the capital region is significant, according to multiple studies.

The contaminated air results in elevated rates of neurological, cardiovascular and respiratory disorders, and can potentially cause malignancies.

Environmental contamination is estimated to be causing 10,000 untimely deaths per year in the city.