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Tuesday brought residents of the planet's dirtiest urban center found themselves inhaling severely hazardous air that registered in the "severe" level.

Alarming Pollution Readings

Multiple areas of the city recorded an pollution measurement above 500, which represents ten times the healthy limit set by the World Health Organization.

In some locations, levels of dangerous airborne particles reached peaks of eighteen hundred, representing 15-20x higher than safe limits.

Pyrotechnics Restrictions and Current Changes

For the past four years, the government had enforced a total prohibition on the distribution and bursting of firecrackers during celebrations due to their substantial impact to the dangerous haze that covers the capital as winter begins.

Yet in recent months, the current local leadership petitioned the highest court to propose a modification of the prohibition.

They proposed allowing "environmentally conscious pyrotechnics" – which have been criticized by conservation groups as being only about 30% reduced emissions – as a middle ground between "tradition and ecological concerns".

Court Decision and Reality

Despite concerns of public health and environmental advocates, judicial authorities agreed to the proposal, mandating that environmentally conscious fireworks could be set off during specific hours throughout the Diwali.

Throughout the festival evening, there was extensive violation of the time restrictions across the capital, with minimal regulation regarding whether the firecrackers being used were actually the more environmentally friendly type.

Numerous monitoring devices throughout the capital registered air quality peaking around the night hours to the most severe measurements seen during Diwali in at least recent memory.

Regional Implications

The widespread use of pyrotechnics during the celebrations also sparked a blame game with neighbouring Pakistan, with representatives in Pakistan's Punjab partially attributing declining pollution levels in Lahore on contaminants originating in India following the festivities.

Persistent Pollution Crisis

Extremely elevated concentrations of pollution in the capital have persisted as a serious problem for fifteen-plus years, with the situation continuing to worsen.

Near Diwali, the amount of hazardous airborne contaminants in the atmosphere has been found to spike to seventy percent above the most severe records ever documented in the Chinese city, which was formerly regarded as the world's most polluted metropolis.

Multiple Contamination Contributors

The problem in the city is caused by a convergence of different contributors including automobile exhaust, airborne particles, development work, waste incineration and haze from farm burning in nearby states of farming communities.

In these regions, farmers illegally ignite agricultural waste to clear them quickly, creating dangerous smog that then gets trapped over the capital as colder air arrives.

Health and Financial Consequences

Both financial and medical toll on the approximately 33 million inhabitants living in the capital region is substantial, according to multiple investigations.

The contaminated air leads to high levels of nervous system, heart and circulatory and lung diseases, and can even lead to malignancies.

Air quality crisis is projected to be responsible for approximately 10k early mortalities annually in the capital.