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On Tuesday morning inhabitants of the world's most polluted city encountered inhaling dangerously toxic air that fell into the "critical" range.

Record-Breaking Air Quality Levels

Several parts of Delhi recorded an air quality index over 500, which represents a tenfold increase over the healthy level recommended by the global health authority.

In some locations, concentrations of toxic particulate matter soared to of 1800, amounting to 15 to 20 times exceeding acceptable limits.

Pyrotechnics Prohibition and New Policy Shifts

Since 2020, the government had implemented a comprehensive restriction on the purchase and ignition of fireworks during Diwali due to their major role to the hazardous smog that engulfs the metropolis as winter begins.

Yet in recent months, the newly elected city government petitioned the highest court to request a relaxation of the ban.

Officials advocated for allowing "green crackers" – which have been doubted by environmentalists as being only approximately one-third lower impact – as a middle ground between "cultural practices and ecological concerns".

Legal Decision and Reality

To the disappointment of medical and ecological advocates, judicial authorities agreed to the request, mandating that green firecrackers could be set off during specific time windows throughout the festival.

During the celebrations, there was widespread disregard of the time restrictions across the metropolis, with little monitoring regarding whether the firecrackers being used were actually the more environmentally friendly variety.

Numerous recording stations throughout Delhi registered air quality peaking around late evening to some of the worst measurements seen during celebrations in at least three years.

International Consequences

The proliferation of firecrackers during the celebrations also sparked a dispute with neighbouring the neighboring country, with representatives in Pakistani Punjab partly blaming declining pollution levels in their urban centers on pollutants originating in India following the events.

Long-Standing Environmental Crisis

The dangerously high concentrations of air contamination in the city have continued as a major challenge for more than 15 years, with the condition showing no improvement.

During celebratory seasons, the concentration of dangerous airborne contaminants in the environment has been found to spike to 70% higher the most severe levels ever documented in Beijing, which was formerly regarded as the world's most polluted city.

Various Pollution Sources

The problem in the capital is caused by a convergence of various sources including transportation pollution, construction debris, building projects, rubbish burning and smoke from agricultural fires in adjacent states of farming communities.

In these regions, agricultural workers regularly ignite agricultural waste to expedite field preparation, generating hazardous haze that then gets trapped over the city as winter air arrives.

Health and Financial Toll

Public health and economic impact on the approximately 33 million people calling home the Delhi area is substantial, according to multiple investigations.

This pollution results in high levels of nervous system, cardiovascular and lung disorders, and can result in malignancies.

Air quality crisis is estimated to be causing ten thousand untimely fatalities annually in Delhi.