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On Tuesday morning inhabitants of this heavily contaminated metropolis encountered inhaling extremely polluted air that was classified as the "alarming" range.

Alarming Pollution Measurements

Multiple areas of the city recorded an pollution measurement over 500, which represents 10x the healthy level recommended by the WHO.

Particular areas, readings of PM2.5 and PM10 hit highs of eighteen hundred, amounting to 15-20x higher than safe levels.

Pyrotechnics Ban and New Policy Shifts

Beginning in 2020, authorities had enforced a complete ban on the purchase and ignition of firecrackers during the Festival of Lights due to their substantial impact to the dangerous pollution that engulfs the city as colder weather begins.

Nevertheless recently, the recently formed city administration appealed to the supreme court to request a relaxation of the ban.

They proposed allowing "eco-friendly fireworks" – which have been questioned by environmentalists as being only approximately one-third reduced emissions – as a compromise between "heritage and public health".

Judicial Decision and Reality

Much to the frustration of medical and ecological activists, the court approved the appeal, mandating that green firecrackers could be used during limited periods throughout the Diwali.

On Monday night, there was considerable violation of the designated hours across the city, with little monitoring regarding whether the fireworks being used were actually the supposedly greener version.

Several monitoring devices throughout the city showed air quality peaking around the night hours to the most severe measurements seen during the festival in at least three years.

Cross-Border Consequences

Extensive ignition of pyrotechnics during the festival also sparked a controversy with bordering Pakistan, with authorities in Pakistan's Punjab partially attributing deteriorating atmospheric conditions in their urban centers on pollutants originating in neighboring India following the festivities.

Chronic Pollution Crisis

Alarmingly severe concentrations of pollution in the city have continued as a major issue for fifteen-plus years, with the condition continuing to worsen.

During celebratory seasons, the amount of hazardous particulate matter in the atmosphere has been documented to shoot up to significantly exceeding the most severe levels ever documented in the Chinese city, which was once considered as the globally most contaminated city.

Diverse Contamination Contributors

This crisis in Delhi is resulting from a combination of multiple factors including heavy vehicle emissions, dust, construction activities, waste incineration and smoke from farm burning in adjacent areas of Punjab and Haryana.

Within these states, rural residents illegally set their fields on fire to prepare for next season, producing toxic smog that becomes contained over the capital as cooler air sets in.

Medical and Financial Toll

The economic and health toll on the nearly 33 million residents residing in the metropolitan zone is significant, according to multiple investigations.

These hazardous conditions causes elevated rates of nervous system, heart and circulatory and respiratory diseases, and can potentially cause cancer.

Air quality crisis is projected to be causing ten thousand premature deaths annually in the capital.