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Tuesday brought inhabitants of this heavily contaminated metropolis found themselves inhaling extremely polluted air that registered in the "alarming" range.

Extremely High Air Quality Measurements

Various sections of the capital recorded an pollution measurement above 500, which translates to 10x the safe threshold recommended by the WHO.

In some locations, concentrations of dangerous airborne particles reached peaks of eighteen hundred, representing 15 to 20 times exceeding acceptable levels.

Fireworks Ban and New Changes

Since 2020, the government had implemented a total prohibition on the sale and use of fireworks during celebrations due to their significant contribution to the dangerous pollution that engulfs the metropolis as the cold season sets in.

Nevertheless in recent months, the newly elected regional administration approached the supreme court to propose a relaxation of the prohibition.

Officials advocated for allowing "green crackers" – previously criticized by environmental experts as being only approximately one-third less polluting – as a balance between "heritage and ecological concerns".

Legal Decision and Enforcement

Despite concerns of medical and ecological activists, judges agreed to the appeal, stipulating that environmentally conscious fireworks could be ignited during limited hours throughout the celebrations.

During the celebrations, there was considerable disregard of the time restrictions across the city, with little monitoring regarding whether the firecrackers being used were actually the eco-friendly type.

Several recording stations throughout the capital showed air quality spiking around midnight to the most severe levels seen during celebrations in at least the past three years.

Regional Effects

Extensive ignition of firecrackers during Diwali also triggered a blame game with adjacent Pakistan, with representatives in Pakistan's the Punjab region partially attributing worsening atmospheric conditions in Lahore on pollutants coming from across the border following the events.

Long-Standing Pollution Issue

Alarmingly severe readings of pollution in Delhi have remained as a significant problem for fifteen-plus years, with the situation continuing to worsen.

Near Diwali, the amount of toxic airborne contaminants in the air has been observed to spike to 70% higher the worst readings ever recorded in China's capital, which was formerly regarded as the globally most contaminated city.

Diverse Pollution Contributors

The problem in the capital is attributed to a combination of multiple factors including transportation pollution, dust, building projects, waste incineration and smoke from agricultural fires in neighbouring states of neighboring agricultural zones.

Throughout these areas, rural residents illegally ignite agricultural waste to expedite field preparation, generating hazardous smog that then gets trapped over the city as colder air descends.

Public Health and Economic Toll

The economic and health impact on the roughly thirty-three million people living in the capital region is enormous, according to various studies.

The contaminated air leads to high levels of neurological, cardiovascular and respiratory disorders, and can potentially cause malignancies.

Air quality crisis is calculated to be accounting for approximately 10k untimely mortalities annually in the city.