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Tuesday brought citizens of the world's most polluted city encountered inhaling extremely polluted air that fell into the "severe" range.

Extremely High Pollution Measurements

Several parts of Delhi recorded an air quality index over 500, which represents ten times the safe level recommended by the global health authority.

Particular areas, levels of dangerous airborne particles reached peaks of eighteen hundred, representing 15 to 20 times higher than healthy standards.

Firecracker Restrictions and Recent Developments

Beginning in 2020, officials had maintained a comprehensive restriction on the distribution and bursting of pyrotechnics during Diwali due to their substantial impact to the hazardous smog that covers the city as the cold season approaches.

Yet recently, the current city leadership petitioned the supreme court to propose a modification of the restrictions.

Officials advocated for allowing "eco-friendly fireworks" – historically doubted by environmental experts as being only roughly 30 percent less polluting – as a middle ground between "heritage and public health".

Court Ruling and Reality

To the disappointment of public health and environmental campaigners, judges agreed to the appeal, mandating that green firecrackers could be set off during specific hours throughout the Diwali.

On Monday night, there was widespread disregard of the designated hours across the city, with minimal regulation regarding whether the pyrotechnics being used were actually the eco-friendly variety.

Several air quality sensors throughout the capital registered pollution peaking around midnight to extremely hazardous levels recorded during Diwali in at least three years.

International Implications

The proliferation of firecrackers during the festival also sparked a blame game with neighbouring Pakistan, with officials in Pakistani Punjab pointing to declining pollution levels in their urban centers on pollutants traveling from India following the celebrations.

Chronic Pollution Crisis

Extremely elevated readings of air contamination in the city have continued as a significant issue for more than 15 years, with the problem gradually deteriorating.

Around Diwali, the amount of toxic particulate matter in the air has been documented to shoot up to seventy percent above the peak records ever recorded in Beijing, which was formerly viewed as the world's most polluted urban center.

Multiple Pollution Sources

This crisis in the city is attributed to a convergence of various sources including heavy vehicle emissions, dust, development work, garbage fires and smoke from farm burning in nearby states of Punjab and Haryana.

Within these states, rural residents routinely set their fields on fire to prepare for next season, generating toxic smog that then gets trapped over the city as cooler air arrives.

Medical and Financial Consequences

The economic and health toll on the nearly 33 million residents residing in the capital region is enormous, according to multiple investigations.

This pollution leads to elevated rates of nervous system, cardiovascular and respiratory conditions, and can result in oncological diseases.

Air quality crisis is projected to be accounting for approximately 10k untimely fatalities annually in Delhi.