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On Tuesday morning inhabitants of the planet's dirtiest urban center were faced with inhaling dangerously toxic air that was classified as the "critical" category.

Extremely High Air Quality Measurements

Several parts of Delhi registered an air quality index over 500, which translates to 10x the safe threshold established by the global health authority.

Certain monitoring stations, readings of toxic particulate matter soared to of 1800, equating to fifteen to twenty times higher than safe levels.

Firecracker Ban and New Policy Shifts

Beginning in 2020, authorities had enforced a complete ban on the distribution and bursting of fireworks during celebrations due to their significant contribution to the hazardous smog that covers the capital as winter sets in.

Yet earlier this year, the current local government appealed to the supreme court to seek a relaxation of the ban.

The suggestion was allowing "green crackers" – historically questioned by environmental experts as being only roughly 30 percent lower impact – as a balance between "heritage and ecological concerns".

Legal Decision and Enforcement

Despite concerns of medical and ecological activists, the court complied with the appeal, mandating that environmentally conscious fireworks could be used during specific time windows throughout the Diwali.

During the celebrations, there was extensive violation of the designated hours across the city, with little monitoring regarding whether the fireworks being used were actually the supposedly greener version.

Several monitoring devices throughout Delhi showed air quality reaching highest levels around midnight to the most severe measurements seen during Diwali in at least three years.

International Effects

The widespread use of pyrotechnics during Diwali also initiated a controversy with adjacent Pakistan, with officials in Pakistani the Punjab region partially attributing deteriorating atmospheric conditions in Lahore on contaminants coming from across the border following the festivities.

Chronic Pollution Issue

The dangerously high levels of atmospheric toxins in the capital have remained as a major problem for fifteen-plus years, with the problem showing no improvement.

During celebratory seasons, the concentration of toxic airborne contaminants in the atmosphere has been documented to increase dramatically to seventy percent above the worst records ever documented in China's capital, which was once regarded as the planet's dirtiest metropolis.

Various Contamination Contributors

The problem in Delhi is resulting from a convergence of different contributors including transportation pollution, construction debris, development work, garbage fires and smoke from agricultural fires in nearby states of farming communities.

Within these states, rural residents regularly ignite agricultural waste to expedite field preparation, creating toxic pollution that remains stagnant over the metropolitan area as winter air arrives.

Medical and Financial Toll

Both financial and medical impact on the nearly 33 million inhabitants calling home the capital region is enormous, according to various investigations.

This pollution causes high levels of neurological, heart and circulatory and lung conditions, and can result in oncological diseases.

Environmental contamination is calculated to be causing ten thousand premature mortalities per year in the capital.