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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.

Record-Breaking Air Quality Levels

Various sections of Delhi registered an air quality index over 500, which represents ten times the safe level recommended by the global health authority.

Particular areas, readings of dangerous airborne particles soared to of 1,800, equating to 15-20x higher than healthy limits.

Pyrotechnics Restrictions and Recent Changes

Since 2020, authorities had implemented a total prohibition on the purchase and ignition of fireworks during Diwali due to their major role to the dangerous smog that engulfs the capital as colder weather sets in.

Yet recently, the current regional leadership approached the judicial authority to seek a easing of the prohibition.

The suggestion was allowing "green crackers" – which have been doubted by environmental experts as being only approximately one-third lower impact – as a balance between "tradition and ecological concerns".

Court Decision and Reality

Despite concerns of public health and environmental campaigners, the court approved the proposal, mandating that green firecrackers could be set off during specific periods throughout the Diwali.

During the celebrations, there was extensive flouting of the time restrictions across the city, with minimal enforcement regarding whether the fireworks being used were actually the more environmentally friendly version.

Several recording stations throughout the city recorded contamination reaching highest levels around midnight to extremely hazardous levels seen during celebrations in at least three years.

Cross-Border Effects

Extensive ignition of pyrotechnics during the celebrations also initiated a controversy with neighbouring Pakistan, with representatives in Pakistani Punjab province pointing to worsening air quality in Lahore on hazardous particles traveling from India following the celebrations.

Persistent Pollution Crisis

Extremely elevated levels of atmospheric toxins in the capital have continued as a serious problem for fifteen-plus years, with the problem gradually deteriorating.

Near the festival period, the concentration of hazardous particles in the air has been documented to spike to 70% higher the peak levels ever measured in Beijing, which was once regarded as the planet's dirtiest metropolis.

Various Pollution Sources

This crisis in Delhi is attributed to a mix of multiple factors including heavy vehicle emissions, airborne particles, building projects, rubbish burning and smoke from agricultural fires in neighbouring states of neighboring agricultural zones.

Throughout these areas, agricultural workers illegally set their fields on fire to expedite field preparation, producing toxic smog that becomes contained over the city as colder air descends.

Public Health and Financial Toll

Public health and economic impact on the approximately 33 million inhabitants residing in the capital region is substantial, according to multiple investigations.

These hazardous conditions results in increased incidence of neurological, cardiovascular and breathing diseases, and can even lead to cancer.

Environmental contamination is projected to be accounting for approximately 10k early mortalities each year in the capital.