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Tuesday brought citizens of this heavily contaminated metropolis found themselves exposed to extremely polluted air that was classified as the "alarming" level.

Extremely High Air Quality Readings

Several parts of the capital registered an air quality index above 500, which equals ten times the recommended threshold recommended by the WHO.

Certain monitoring stations, levels of dangerous airborne particles soared to of eighteen hundred, amounting to 15-20x above safe limits.

Firecracker Prohibition and Recent Policy Shifts

Beginning in 2020, the government had enforced a complete ban on the distribution and bursting of pyrotechnics during celebrations due to their major role to the deadly pollution that covers the capital as colder weather approaches.

However earlier this year, the current local administration petitioned the highest court to seek a modification of the prohibition.

They proposed allowing "eco-friendly fireworks" – which have been doubted by environmentalists as being only roughly 30 percent lower impact – as a middle ground between "heritage and public health".

Legal Decision and Reality

To the disappointment of medical and ecological activists, the court agreed to the request, stipulating that environmentally conscious fireworks could be ignited during specific hours throughout the celebrations.

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

Several monitoring devices throughout Delhi registered pollution spiking around late evening to extremely hazardous measurements seen during celebrations in at least the past three years.

Cross-Border Effects

The widespread use of fireworks during Diwali also sparked a controversy with adjacent Pakistan, with representatives in Pakistani Punjab pointing to worsening air quality in the city of Lahore on contaminants coming from across the border following the festivities.

Long-Standing Pollution Issue

Extremely elevated concentrations of air contamination in Delhi have persisted as a major challenge for fifteen-plus years, with the problem showing no improvement.

During celebratory seasons, the levels of toxic particles in the air has been found to spike to 70% higher the peak records ever recorded in the Chinese city, which was once regarded as the globally most contaminated urban center.

Various Contamination Contributors

The situation in the capital is caused by a convergence of various sources including heavy vehicle emissions, construction debris, development work, waste incineration and smoke from agricultural fires in adjacent states of farming communities.

Within these states, rural residents regularly ignite agricultural waste to prepare for next season, producing dangerous smog that remains stagnant over the capital as colder air sets in.

Health and Economic Toll

Both financial and medical toll on the roughly thirty-three million inhabitants living in the metropolitan zone is substantial, according to multiple studies.

These hazardous conditions results in elevated rates of nervous system, cardiovascular and lung disorders, and can result in malignancies.

The pollution is estimated to be causing approximately 10k early mortalities annually in Delhi.