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As Tuesday dawned inhabitants of the world's most polluted city found themselves inhaling dangerously toxic air that registered in the "severe" level.

Alarming Pollution Measurements

Several parts of the city recorded an AQI over 500, which equals a tenfold increase over the safe limit recommended by the global health authority.

In some locations, levels of toxic particulate matter reached peaks of 1800, amounting to 15-20x exceeding safe limits.

Fireworks Prohibition and New Changes

Beginning in 2020, officials had maintained a complete ban on the sale and use of pyrotechnics during celebrations due to their significant contribution to the deadly smog that blankets the city as winter approaches.

Nevertheless recently, the current regional leadership petitioned the supreme court to propose a easing of the ban.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically criticized by conservation groups as being only approximately one-third less polluting – as a balance between "cultural practices and environment".

Judicial Ruling and Reality

Despite concerns of environmental and health advocates, the court agreed to the appeal, stipulating that eco-friendly pyrotechnics could be ignited during specific hours throughout the celebrations.

On Monday night, there was extensive flouting of the designated hours across the city, with minimal monitoring regarding whether the fireworks being used were actually the supposedly greener variety.

Numerous monitoring devices throughout the city showed contamination spiking around midnight to extremely hazardous measurements observed during celebrations in at least the past three years.

Regional Effects

The proliferation of pyrotechnics during Diwali also triggered a controversy with adjacent the neighboring country, with officials in Pakistan's Punjab partially attributing worsening atmospheric conditions in the city of Lahore on contaminants traveling from India following the festivities.

Long-Standing Environmental Issue

Extremely elevated levels of air contamination in the capital have continued as a major issue for more than 15 years, with the condition showing no improvement.

Around celebratory seasons, the amount of toxic particulate matter in the atmosphere has been observed to spike to seventy percent above the worst readings ever recorded in China's capital, which was once viewed as the globally most contaminated urban center.

Diverse Pollution Contributors

This crisis in Delhi is resulting from a mix of various sources including automobile exhaust, construction debris, construction activities, garbage fires and haze from farm burning in adjacent areas of farming communities.

Throughout these areas, rural residents illegally set their fields on fire to prepare for next season, producing toxic smog that becomes contained over the city as colder air arrives.

Medical and Economic Impact

Public health and economic toll on the nearly 33 million residents calling home the Delhi area is significant, according to numerous studies.

This pollution results in elevated rates of nervous system, cardiovascular and respiratory diseases, and can potentially cause malignancies.

Air quality crisis is calculated to be causing ten thousand untimely fatalities each year in the city.