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On Tuesday morning inhabitants of the world's most polluted city encountered inhaling dangerously toxic air that fell into the "alarming" level.

Record-Breaking Air Quality Levels

Several parts of the capital registered an AQI exceeding 500, which equals a tenfold increase over the recommended level set by the global health authority.

Particular areas, concentrations of PM2.5 and PM10 soared to of eighteen hundred, representing 15 to 20 times higher than healthy limits.

Pyrotechnics Restrictions and Current Policy Shifts

Beginning in 2020, officials had enforced a comprehensive restriction on the distribution and bursting of pyrotechnics during celebrations due to their significant contribution to the dangerous pollution that blankets the capital as winter approaches.

However earlier this year, the newly elected local government approached the highest court to propose a easing of the restrictions.

The suggestion was allowing "eco-friendly fireworks" – which have been criticized by environmental experts as being only roughly 30 percent less polluting – as a compromise between "cultural practices and ecological concerns".

Legal Verdict and Reality

Much to the frustration of public health and environmental advocates, judges approved the request, specifying that green firecrackers could be used during specific time windows throughout the celebrations.

On Monday night, there was extensive flouting of the regulated periods across the metropolis, with insufficient regulation regarding whether the firecrackers being used were actually the more environmentally friendly type.

Many recording stations throughout Delhi showed pollution reaching highest levels around late evening to extremely hazardous readings recorded during the festival in at least three years.

Cross-Border Implications

The widespread use of fireworks during Diwali also triggered a blame game with neighbouring the neighboring country, with officials in Pakistani Punjab province pointing to deteriorating atmospheric conditions in Lahore on pollutants coming from across the border following the festivities.

Persistent Environmental Crisis

The dangerously high concentrations of atmospheric toxins in the capital have remained as a significant issue for more than 15 years, with the situation continuing to worsen.

Around Diwali, the amount of toxic airborne contaminants in the atmosphere has been observed to shoot up to significantly exceeding the worst levels ever recorded in Beijing, which was formerly regarded as the world's most polluted city.

Diverse Contamination Factors

This crisis in Delhi is resulting from a convergence of different contributors including automobile exhaust, construction debris, construction activities, rubbish burning and haze from agricultural fires in neighbouring regions of Punjab and Haryana.

In these regions, farmers regularly ignite agricultural waste to clear them quickly, generating hazardous haze that then gets trapped over the metropolitan area as winter air arrives.

Health and Financial Consequences

The economic and health toll on the nearly 33 million inhabitants living in the capital region is substantial, according to numerous research.

This pollution leads to high levels of nervous system, heart and circulatory and breathing diseases, and can even lead to cancer.

Air quality crisis is projected to be responsible for 10,000 premature deaths annually in the city.