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Tuesday brought inhabitants of the world's most polluted city encountered inhaling extremely polluted air that registered in the "severe" level.

Record-Breaking Pollution Levels

Multiple areas of the city registered an AQI above 500, which represents ten times the healthy threshold set by the WHO.

Particular areas, readings of PM2.5 and PM10 reached peaks of 1800, amounting to 15 to 20 times exceeding healthy limits.

Pyrotechnics Restrictions and New Policy Shifts

Beginning in 2020, officials had maintained a total prohibition on the purchase and ignition of pyrotechnics during celebrations due to their major role to the hazardous haze that engulfs the capital as colder weather approaches.

However recently, the newly elected city administration approached the highest court to seek a easing of the prohibition.

Officials advocated for allowing "eco-friendly fireworks" – which have been criticized by conservation groups as being only about 30% less polluting – as a balance between "heritage and environment".

Legal Ruling and Reality

Despite concerns of public health and environmental activists, judges approved the request, mandating that environmentally conscious fireworks could be set off during limited time windows throughout the Diwali.

Throughout the festival evening, there was considerable disregard of the regulated periods across the metropolis, with little monitoring regarding whether the fireworks being used were actually the supposedly greener variety.

Numerous recording stations throughout the capital recorded pollution peaking around the night hours to extremely hazardous levels observed during Diwali in at least the past three years.

International Effects

The proliferation of pyrotechnics during Diwali also triggered a controversy with bordering the neighboring country, with officials in Pakistan's the Punjab region partly blaming worsening air quality in their urban centers on hazardous particles traveling from neighboring India following the events.

Chronic Environmental Crisis

The dangerously high concentrations of atmospheric toxins in the city have continued as a serious problem for more than 15 years, with the situation continuing to worsen.

Near the festival period, the concentration of hazardous particulate matter in the atmosphere has been documented to shoot up to 70% higher the most severe records ever recorded in Beijing, which was formerly regarded as the globally most contaminated urban center.

Various Contamination Sources

The situation in the capital is resulting from a combination of multiple factors including transportation pollution, dust, development work, waste incineration and haze from crop residue ignition in neighbouring regions of neighboring agricultural zones.

Throughout these areas, rural residents routinely set their fields on fire to prepare for next season, generating hazardous smog that then gets trapped over the capital as cooler air sets in.

Health and Financial Consequences

Both financial and medical impact on the roughly thirty-three million people residing in the metropolitan zone is substantial, according to numerous studies.

The contaminated air results in elevated rates of neurological, heart and circulatory and respiratory disorders, and can potentially cause malignancies.

The pollution is calculated to be causing 10,000 early mortalities per year in Delhi.