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As Tuesday dawned citizens of the world's most polluted city found themselves breathing extremely polluted air that fell into the "critical" range.

Extremely High Air Quality Measurements

Various sections of Delhi showed an air quality index exceeding 500, which translates to ten times the safe limit established by the global health authority.

In some locations, concentrations of toxic particulate matter soared to of eighteen hundred, equating to 15 to 20 times exceeding healthy limits.

Fireworks Ban and New Developments

Since 2020, the government had enforced a complete ban on the sale and use of fireworks during Diwali due to their major role to the deadly haze that covers the city as winter begins.

Yet recently, the current regional leadership petitioned the highest court to propose a relaxation of the restrictions.

They proposed allowing "green crackers" – which have been questioned by environmental experts as being only about 30% lower impact – as a middle ground between "heritage and ecological concerns".

Judicial Ruling and Implementation

Despite concerns of medical and ecological campaigners, judicial authorities approved the request, mandating that environmentally conscious fireworks could be used during specific periods throughout the Diwali.

During the celebrations, there was widespread disregard of the designated hours across the metropolis, with insufficient regulation regarding whether the firecrackers being used were actually the more environmentally friendly variety.

Numerous air quality sensors throughout the capital showed pollution spiking around the night hours to some of the worst readings recorded during Diwali in at least the past three years.

Cross-Border Consequences

The proliferation of pyrotechnics during Diwali also initiated a blame game with bordering Pakistan, with representatives in Pakistani Punjab province partially attributing deteriorating atmospheric conditions in their urban centers on contaminants traveling from neighboring India following the festivities.

Long-Standing Environmental Issue

The dangerously high levels of atmospheric toxins in the capital have continued as a serious problem for over a decade and a half, with the situation gradually deteriorating.

Near celebratory seasons, the concentration of hazardous particles in the atmosphere has been observed to increase dramatically to seventy percent above the most severe readings ever documented in China's capital, which was formerly considered as the world's most polluted metropolis.

Diverse Pollution Factors

This crisis in Delhi is resulting from a convergence of multiple factors including transportation pollution, airborne particles, construction activities, waste incineration and pollutants from agricultural fires in adjacent states of neighboring agricultural zones.

Within these states, rural residents regularly burn crop residue to clear them quickly, creating dangerous pollution that becomes contained over the city as colder air descends.

Public Health and Economic Toll

Both financial and medical impact on the roughly thirty-three million inhabitants living in the capital region is enormous, according to multiple research.

The contaminated air leads to high levels of nervous system, heart and circulatory and breathing disorders, and can result in malignancies.

The pollution is calculated to be responsible for 10,000 premature mortalities per year in the city.