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On Tuesday morning inhabitants of the world's most polluted city found themselves exposed to dangerously toxic air that registered in the "severe" category.

Extremely High Pollution Measurements

Multiple areas of the city showed an air quality index above 500, which translates to a tenfold increase over the healthy limit set by the global health authority.

Particular areas, levels of PM2.5 and PM10 soared to of 1,800, representing 15-20x higher than safe standards.

Firecracker Restrictions and New Policy Shifts

Beginning in 2020, officials had implemented a comprehensive restriction on the sale and use of pyrotechnics during Diwali due to their major role to the deadly smog that blankets the metropolis as colder weather sets in.

Nevertheless recently, the current city government petitioned the highest court to seek a easing of the restrictions.

They proposed allowing "environmentally conscious pyrotechnics" – historically doubted by environmentalists as being only about 30% less polluting – as a compromise between "tradition and ecological concerns".

Court Ruling and Enforcement

Despite concerns of public health and environmental advocates, judicial authorities complied with the proposal, specifying that green firecrackers could be set off during limited time windows throughout the festival.

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

Numerous recording stations throughout the capital registered contamination spiking around the night hours to extremely hazardous measurements seen during Diwali in at least three years.

Regional Implications

Extensive ignition of pyrotechnics during the celebrations also sparked a controversy with adjacent the neighboring country, with representatives in Pakistan's the Punjab region partly blaming worsening atmospheric conditions in Lahore on contaminants traveling from neighboring India following the celebrations.

Chronic Environmental Issue

Alarmingly severe readings of pollution in the city have continued as a significant issue for fifteen-plus years, with the situation gradually deteriorating.

Near Diwali, the concentration of dangerous particulate matter in the atmosphere has been documented to spike to 70% higher the peak levels ever documented in the Chinese city, which was once regarded as the world's most polluted metropolis.

Multiple Pollution Contributors

This crisis in Delhi is attributed to a combination of various sources including transportation pollution, construction debris, construction activities, garbage fires and haze from agricultural fires in adjacent areas of neighboring agricultural zones.

In these regions, farmers routinely ignite agricultural waste to clear them quickly, generating toxic pollution that becomes contained over the city as winter air arrives.

Medical and Economic Consequences

The economic and health consequences on the roughly thirty-three million inhabitants calling home the metropolitan zone is enormous, according to multiple studies.

This pollution causes elevated rates of neurological, cardiovascular and breathing disorders, and can result in cancer.

Air quality crisis is projected to be responsible for 10,000 premature deaths each year in the capital.