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On Tuesday morning inhabitants of this heavily contaminated metropolis were faced with breathing severely hazardous air that registered in the "critical" level.

Extremely High Air Quality Measurements

Several parts of the city recorded an air quality index over 500, which translates to 10x the healthy threshold set by the WHO.

Certain monitoring stations, levels of dangerous airborne particles soared to of 1800, amounting to 15 to 20 times above safe levels.

Firecracker Ban and New Developments

Since 2020, officials had implemented a total prohibition on the distribution and bursting of fireworks during celebrations due to their substantial impact to the hazardous haze that covers the city as colder weather approaches.

Nevertheless earlier this year, the newly elected regional government petitioned the judicial authority to seek a relaxation of the prohibition.

Officials advocated for allowing "eco-friendly fireworks" – historically questioned by environmentalists as being only roughly 30 percent less polluting – as a compromise between "tradition and environment".

Court Verdict and Reality

Despite concerns of medical and ecological advocates, judges agreed to the appeal, specifying that eco-friendly pyrotechnics could be set off during designated periods throughout the Diwali.

During the celebrations, there was considerable disregard of the designated hours across the capital, with insufficient monitoring regarding whether the firecrackers being used were actually the supposedly greener type.

Numerous recording stations throughout Delhi registered pollution spiking around late evening to some of the worst measurements observed during the festival in at least recent memory.

Regional Consequences

The proliferation of fireworks during Diwali also initiated a blame game with neighbouring Pakistan, with representatives in Pakistan's Punjab partially attributing deteriorating pollution levels in Lahore on contaminants coming from India following the celebrations.

Chronic Environmental Problem

Extremely elevated readings of atmospheric toxins in Delhi have remained as a major problem for more than 15 years, with the condition gradually deteriorating.

Around Diwali, the amount of hazardous particles in the air has been observed to shoot up to seventy percent above the most severe levels ever documented in China's capital, which was previously regarded as the world's most polluted metropolis.

Multiple Contamination Sources

This crisis in the capital is caused by a mix of various sources including automobile exhaust, dust, building projects, garbage fires and pollutants from farm burning in neighbouring areas of neighboring agricultural zones.

In these regions, rural residents regularly ignite agricultural waste to prepare for next season, generating toxic smog that becomes contained over the city as winter air sets in.

Medical and Financial Consequences

Both financial and medical impact on the nearly 33 million people residing in the capital region is substantial, according to various research.

The contaminated air results in increased incidence of nervous system, cardiovascular and lung conditions, and can result in oncological diseases.

The pollution is estimated to be causing ten thousand untimely deaths each year in Delhi.