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As Tuesday dawned citizens of the world's most polluted city were faced with breathing severely hazardous air that was classified as the "severe" level.

Extremely High Air Quality Levels

Multiple areas of the capital recorded an air quality index over 500, which equals ten times the recommended limit recommended by the WHO.

Particular areas, levels of toxic particulate matter reached peaks of eighteen hundred, amounting to fifteen to twenty times above acceptable levels.

Pyrotechnics Ban and Recent Policy Shifts

Beginning in 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 smog that covers the capital as the cold season begins.

However in recent months, the current local leadership appealed to the judicial authority to seek a easing of the ban.

They proposed allowing "eco-friendly fireworks" – previously questioned by environmental experts as being only roughly 30 percent reduced emissions – as a balance between "cultural practices and ecological concerns".

Legal Decision and Implementation

Much to the frustration of public health and environmental advocates, judicial authorities approved the proposal, specifying that green firecrackers could be used during specific hours throughout the festival.

Throughout the festival evening, there was extensive violation of the regulated periods across the metropolis, with minimal monitoring regarding whether the pyrotechnics being used were actually the eco-friendly variety.

Numerous monitoring devices throughout Delhi registered pollution peaking around the night hours to some of the worst levels seen during the festival in at least three years.

International Implications

Extensive ignition of pyrotechnics during the festival also initiated a controversy with bordering Pakistan, with officials in Pakistani Punjab province partly blaming deteriorating atmospheric conditions in their urban centers on contaminants originating in India following the celebrations.

Chronic Pollution Issue

The dangerously high levels of atmospheric toxins in the city have persisted as a significant challenge for over a decade and a half, with the problem gradually deteriorating.

During celebratory seasons, the concentration of dangerous airborne contaminants in the environment has been observed to spike to significantly exceeding the worst levels ever documented in China's capital, which was once regarded as the planet's dirtiest city.

Multiple Pollution Sources

The problem in the city is attributed to a combination of different contributors including heavy vehicle emissions, dust, building projects, rubbish burning and pollutants from farm burning in nearby regions of Punjab and Haryana.

Throughout these areas, farmers routinely set their fields on fire to clear them quickly, creating dangerous haze that remains stagnant over the metropolitan area as winter air sets in.

Medical and Financial Consequences

The economic and health impact on the roughly thirty-three million inhabitants calling home the capital region is enormous, according to numerous investigations.

This pollution causes high levels of nervous system, cardiovascular and breathing conditions, and can even lead to cancer.

The pollution is projected to be responsible for ten thousand early mortalities per year in Delhi.