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On Tuesday morning inhabitants of the planet's dirtiest urban center were faced with inhaling dangerously toxic air that was classified as the "severe" level.

Record-Breaking Air Quality Levels

Multiple areas of Delhi showed an air quality index over 500, which represents 10x the safe level established by the WHO.

Certain monitoring stations, levels of toxic particulate matter soared to of eighteen hundred, amounting to fifteen to twenty times higher than healthy levels.

Firecracker Ban and Recent Changes

Beginning in 2020, officials had maintained a total prohibition on the distribution and bursting of fireworks during celebrations due to their major role to the dangerous smog that engulfs the city as the cold season approaches.

Yet earlier this year, the newly elected city leadership petitioned the judicial authority to request a easing of the restrictions.

They proposed allowing "eco-friendly fireworks" – which have been criticized by environmental experts as being only about 30% reduced emissions – as a middle ground between "tradition and environment".

Court Decision and Reality

Despite concerns of medical and ecological activists, the court complied with the appeal, specifying that environmentally conscious fireworks could be set off during limited hours throughout the festival.

Throughout the festival evening, there was considerable violation of the time restrictions across the capital, with minimal monitoring regarding whether the firecrackers being used were actually the supposedly greener type.

Numerous monitoring devices throughout the city showed air quality spiking around late evening to the most severe measurements seen during the festival in at least the past three years.

Regional Effects

Extensive ignition of firecrackers during Diwali also initiated a dispute with bordering the neighboring country, with officials in Pakistani Punjab partially attributing declining atmospheric conditions in their urban centers on contaminants traveling from India following the events.

Chronic Environmental Crisis

Extremely elevated levels of air contamination in the capital have continued as a significant challenge for over a decade and a half, with the condition showing no improvement.

During Diwali, the amount of toxic airborne contaminants in the environment has been observed to spike to significantly exceeding the worst readings ever recorded in the Chinese city, which was previously regarded as the world's most polluted city.

Diverse Contamination Contributors

The situation in the capital is attributed to a mix of various sources including automobile exhaust, construction debris, building projects, garbage fires and haze from crop residue ignition in nearby regions of Punjab and Haryana.

Within these states, farmers routinely burn crop residue to clear them quickly, generating hazardous pollution that then gets trapped over the capital as colder air descends.

Medical and Economic Toll

The economic and health consequences on the roughly thirty-three million inhabitants living in the capital region is significant, according to multiple studies.

The contaminated air leads to high levels of neurological, cardiovascular and lung conditions, and can potentially cause cancer.

Environmental contamination is estimated to be accounting for approximately 10k early fatalities annually in Delhi.