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On Tuesday morning inhabitants of the world's most polluted city encountered exposed to extremely polluted air that fell into the "severe" level.

Extremely High Air Quality Levels

Several parts of the capital registered an air quality index above 500, which equals ten times the recommended level recommended by the WHO.

In some locations, readings of toxic particulate matter soared to of 1800, equating to 15-20x exceeding safe limits.

Fireworks Prohibition and Current Changes

Since 2020, the government had implemented a comprehensive restriction on the purchase and ignition of pyrotechnics during celebrations due to their major role to the hazardous pollution that blankets the city as the cold season approaches.

However in recent months, the current city administration approached the judicial authority to request a relaxation of the restrictions.

Officials advocated for allowing "green crackers" – which have been questioned by environmentalists as being only roughly 30 percent less polluting – as a middle ground between "tradition and environment".

Judicial Verdict and Implementation

Despite concerns of medical and ecological advocates, the court complied with the appeal, stipulating that green firecrackers could be used during designated hours throughout the festival.

On Monday night, there was widespread disregard of the regulated periods across the capital, with insufficient monitoring regarding whether the firecrackers being used were actually the more environmentally friendly version.

Several monitoring devices throughout the city registered air quality peaking around midnight to the most severe readings observed during the festival in at least three years.

International Effects

Extensive ignition of fireworks during Diwali also triggered a dispute with bordering Pakistan, with authorities in Pakistani Punjab partially attributing declining pollution levels in Lahore on contaminants originating in across the border following the celebrations.

Persistent Pollution Problem

Extremely elevated readings of atmospheric toxins in the city have remained as a major challenge for fifteen-plus years, with the situation showing no improvement.

Around the festival period, the amount of dangerous particulate matter in the environment has been observed to increase dramatically to seventy percent above the most severe levels ever documented in the Chinese city, which was previously considered as the planet's dirtiest urban center.

Diverse Contamination Sources

The problem in Delhi is caused by a combination of multiple factors including automobile exhaust, dust, construction activities, rubbish burning and pollutants from farm burning in nearby states of Punjab and Haryana.

Within these states, rural residents routinely ignite agricultural waste to prepare for next season, generating hazardous haze that remains stagnant over the city as cooler air arrives.

Public Health and Financial Toll

The economic and health consequences on the nearly 33 million inhabitants living in the Delhi area is enormous, according to multiple studies.

The contaminated air results in high levels of nervous system, cardiovascular and lung diseases, and can result in malignancies.

Air quality crisis is estimated to be responsible for 10,000 premature mortalities each year in Delhi.