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As Tuesday dawned inhabitants of the world's most polluted city encountered exposed to dangerously toxic air that fell into the "alarming" category.

Alarming Pollution Readings

Various sections of Delhi showed an air quality index above 500, which translates to 10x the recommended threshold established by the WHO.

Certain monitoring stations, readings of toxic particulate matter reached peaks of 1,800, equating to fifteen to twenty times exceeding healthy limits.

Firecracker Ban and Recent Policy Shifts

Since 2020, the government had implemented a complete ban on the purchase and ignition of pyrotechnics during Diwali due to their substantial impact to the deadly smog that engulfs the city as winter sets in.

However in recent months, the newly elected local leadership petitioned the supreme court to seek a modification of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – which have been questioned by environmental experts as being only about 30% less polluting – as a balance between "tradition and ecological concerns".

Court Ruling and Reality

To the disappointment of medical and ecological advocates, judges approved the request, mandating that green firecrackers could be ignited during limited periods throughout the celebrations.

During the celebrations, there was extensive violation of the regulated periods across the city, with insufficient enforcement regarding whether the firecrackers being used were actually the more environmentally friendly version.

Many recording stations throughout the city registered contamination reaching highest levels around midnight to extremely hazardous readings seen during Diwali in at least three years.

Cross-Border Implications

Extensive ignition of fireworks during Diwali also triggered a blame game with bordering Pakistan, with authorities in Pakistani the Punjab region pointing to deteriorating air quality in their urban centers on pollutants coming from across the border following the festivities.

Long-Standing Environmental Crisis

The dangerously high levels of pollution in the capital have remained as a serious problem for fifteen-plus years, with the problem continuing to worsen.

During Diwali, the levels of toxic particles in the atmosphere has been found to spike to 70% higher the worst records ever documented in Beijing, which was previously regarded as the world's most polluted metropolis.

Diverse Contamination Contributors

This crisis in the city is resulting from a mix of different contributors including heavy vehicle emissions, construction debris, construction activities, waste incineration and pollutants from farm burning in adjacent states of neighboring agricultural zones.

In these regions, farmers illegally ignite agricultural waste to clear them quickly, generating dangerous smog that then gets trapped over the capital as cooler air sets in.

Public Health and Economic Toll

Both financial and medical impact on the roughly thirty-three million residents calling home the capital region is enormous, according to numerous studies.

This pollution leads to elevated rates of neurological, cardiovascular and lung diseases, and can potentially cause malignancies.

Air quality crisis is calculated to be causing approximately 10k untimely deaths annually in Delhi.