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As Tuesday dawned inhabitants of the world's most polluted city found themselves breathing severely hazardous air that registered in the "alarming" level.

Record-Breaking Air Quality Levels

Several parts of the city registered an pollution measurement above 500, which equals 10x the safe threshold set by the WHO.

In some locations, levels of dangerous airborne particles soared to of eighteen hundred, representing 15-20x above acceptable standards.

Pyrotechnics Prohibition and New Developments

Beginning in 2020, authorities had enforced a comprehensive restriction on the distribution and bursting of firecrackers during the Festival of Lights due to their substantial impact to the dangerous smog that blankets the capital as the cold season approaches.

Yet earlier this year, the recently formed local government appealed to the supreme court to seek a easing of the restrictions.

The suggestion was allowing "green crackers" – previously doubted by conservation groups as being only approximately one-third less polluting – as a compromise between "cultural practices and public health".

Judicial Ruling and Enforcement

Much to the frustration of public health and environmental activists, judicial authorities approved the request, stipulating that green firecrackers could be used during specific hours throughout the festival.

During the celebrations, there was extensive disregard of the time restrictions across the city, with minimal monitoring regarding whether the fireworks being used were actually the supposedly greener type.

Numerous monitoring devices throughout the city recorded pollution spiking around the night hours to extremely hazardous readings seen during the festival in at least recent memory.

Cross-Border Consequences

Extensive ignition of fireworks during the festival also initiated a dispute with bordering Pakistan, with representatives in Pakistani Punjab province partially attributing declining air quality in their urban centers on pollutants traveling from India following the festivities.

Long-Standing Pollution Crisis

Extremely elevated readings of atmospheric toxins in Delhi have continued as a significant challenge for over a decade and a half, with the condition gradually deteriorating.

During celebratory seasons, the amount of toxic particles in the atmosphere has been observed to spike to seventy percent above the most severe readings ever recorded in Beijing, which was once viewed as the world's most polluted metropolis.

Various Pollution Factors

The problem in the city is caused by a convergence of multiple factors including heavy vehicle emissions, dust, construction activities, waste incineration and pollutants from agricultural fires in nearby states of farming communities.

In these regions, farmers illegally ignite agricultural waste to expedite field preparation, creating toxic smog that becomes contained over the capital as colder air descends.

Health and Economic Consequences

The economic and health impact on the approximately 33 million residents residing in the metropolitan zone is enormous, according to various research.

The contaminated air results in high levels of neurological, heart and circulatory and breathing conditions, and can even lead to oncological diseases.

The pollution is projected to be causing approximately 10k untimely deaths per year in Delhi.