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Tuesday brought citizens of the planet's dirtiest urban center were faced with exposed to dangerously toxic air that registered in the "alarming" category.

Extremely High Air Quality Measurements

Several parts of the city recorded an air quality index exceeding 500, which translates to a tenfold increase over the recommended level set by the World Health Organization.

Particular areas, readings of dangerous airborne particles soared to of 1800, equating to 15-20x exceeding safe levels.

Fireworks Prohibition and New Changes

Since 2020, authorities had enforced a total prohibition on the distribution and bursting of fireworks during the Festival of Lights due to their major role to the hazardous smog that blankets the city as winter approaches.

However recently, the current regional administration approached the supreme court to seek a easing of the restrictions.

They proposed allowing "environmentally conscious pyrotechnics" – which have been questioned by environmentalists as being only roughly 30 percent lower impact – as a balance between "tradition and public health".

Court Verdict and Implementation

Despite concerns of medical and ecological advocates, the court agreed to the request, mandating that eco-friendly pyrotechnics could be ignited during specific time windows throughout the celebrations.

During the celebrations, there was considerable violation of the regulated periods across the capital, with insufficient enforcement regarding whether the pyrotechnics being used were actually the supposedly greener variety.

Numerous monitoring devices throughout the city recorded pollution peaking around midnight to the most severe levels seen during Diwali in at least recent memory.

Cross-Border Consequences

The proliferation of pyrotechnics during the festival also triggered a blame game with adjacent Pakistan, with authorities in Pakistani Punjab pointing to deteriorating air quality in Lahore on contaminants traveling from neighboring India following the events.

Chronic Environmental Problem

The dangerously high levels of atmospheric toxins in the capital have persisted as a major problem for more than 15 years, with the situation continuing to worsen.

During Diwali, the levels of hazardous airborne contaminants in the air has been documented to spike to 70% higher the peak records ever recorded in Beijing, which was previously viewed as the world's most polluted city.

Multiple Contamination Factors

The problem in the capital is caused by a mix of various sources including transportation pollution, airborne particles, construction activities, waste incineration and pollutants from crop residue ignition in nearby states of farming communities.

Within these states, farmers regularly ignite agricultural waste to expedite field preparation, creating toxic haze that then gets trapped over the capital as colder air arrives.

Health and Financial Impact

Both financial and medical toll on the nearly 33 million people living in the Delhi area is significant, according to numerous investigations.

This pollution results in high levels of nervous system, heart and circulatory and respiratory disorders, and can result in malignancies.

The pollution is estimated to be accounting for ten thousand premature mortalities each year in the city.