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Tuesday brought inhabitants of the world's most polluted city encountered exposed to extremely polluted air that was classified as the "critical" category.

Record-Breaking Pollution Readings

Several parts of the city recorded an air quality index over 500, which equals 10x the safe threshold established by the WHO.

Certain monitoring stations, readings of dangerous airborne particles reached peaks of 1,800, equating to fifteen to twenty times above healthy levels.

Fireworks Prohibition and Recent Policy Shifts

Since 2020, the government had enforced a total prohibition on the distribution and bursting of fireworks during celebrations due to their major role to the hazardous smog that engulfs the city as the cold season approaches.

Nevertheless in recent months, the recently formed regional leadership petitioned the highest court to request a modification of the restrictions.

Officials advocated for allowing "eco-friendly fireworks" – which have been doubted by environmental experts as being only roughly 30 percent lower impact – as a balance between "cultural practices and environment".

Judicial Verdict and Enforcement

Despite concerns of public health and environmental activists, judicial authorities agreed to the request, stipulating that environmentally conscious fireworks could be used during limited periods throughout the festival.

During the celebrations, there was considerable flouting of the regulated periods across the city, with little regulation regarding whether the fireworks being used were actually the supposedly greener variety.

Numerous recording stations throughout the city recorded contamination spiking around midnight to the most severe levels recorded during Diwali in at least three years.

Regional Effects

The widespread use of pyrotechnics during Diwali also initiated a controversy with adjacent Pakistan, with authorities in Pakistan's the Punjab region pointing to worsening air quality in Lahore on contaminants originating in neighboring India following the festivities.

Long-Standing Environmental Problem

The dangerously high levels of air contamination in Delhi have continued as a major problem for fifteen-plus years, with the problem showing no improvement.

Around celebratory seasons, the concentration of toxic particulate matter in the air has been documented to spike to seventy percent above the peak records ever recorded in Beijing, which was once viewed as the planet's dirtiest urban center.

Diverse Pollution Sources

The problem in the city is caused by a mix of different contributors including automobile exhaust, airborne particles, development work, rubbish burning and pollutants from agricultural fires in adjacent regions of Punjab and Haryana.

Within these states, farmers regularly ignite agricultural waste to expedite field preparation, generating toxic pollution that then gets trapped over the metropolitan area as winter air arrives.

Medical and Economic Toll

Public health and economic toll on the approximately 33 million residents living in the capital region is enormous, according to various research.

The contaminated air causes increased incidence of neurological, heart and circulatory and lung disorders, and can potentially cause oncological diseases.

Air quality crisis is estimated to be responsible for ten thousand untimely fatalities annually in the city.