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On Tuesday morning citizens of the planet's dirtiest urban center found themselves exposed to dangerously toxic air that registered in the "critical" level.

Extremely High Air Quality Readings

Various sections of the capital recorded an air quality index exceeding 500, which equals ten times the safe limit recommended by the global health authority.

Particular areas, levels of PM2.5 and PM10 hit highs of eighteen hundred, representing 15-20x higher than healthy limits.

Firecracker Ban and Current Changes

For the past four years, authorities had implemented a comprehensive restriction on the purchase and ignition of fireworks during celebrations due to their significant contribution to the hazardous haze that blankets the metropolis as winter sets in.

However recently, the current city administration approached the supreme court to propose a relaxation of the ban.

The suggestion was allowing "green crackers" – which have been questioned by environmental experts as being only roughly 30 percent reduced emissions – as a middle ground between "cultural practices and public health".

Legal Verdict and Implementation

To the disappointment of environmental and health activists, judges agreed to the proposal, mandating that environmentally conscious fireworks could be used during limited periods throughout the celebrations.

On Monday night, there was widespread violation of the designated hours across the metropolis, with insufficient regulation regarding whether the fireworks being used were actually the more environmentally friendly version.

Many recording stations throughout the city showed air quality peaking around late evening to the most severe measurements observed during the festival in at least three years.

Cross-Border Consequences

The proliferation of pyrotechnics during the celebrations also initiated a dispute with adjacent the neighboring country, with representatives in Pakistan's Punjab province partially attributing worsening air quality in the city of Lahore on pollutants coming from India following the events.

Chronic Pollution Issue

Extremely elevated concentrations of pollution in Delhi have continued as a significant problem for over a decade and a half, with the condition continuing to worsen.

During celebratory seasons, the amount of dangerous particulate matter in the environment has been documented to shoot up to seventy percent above the most severe records ever measured in China's capital, which was previously regarded as the globally most contaminated urban center.

Diverse Pollution Factors

This crisis in the capital is caused by a mix of multiple factors including transportation pollution, dust, building projects, waste incineration and pollutants from crop residue ignition in adjacent states of Punjab and Haryana.

In these regions, rural residents illegally burn crop residue to clear them quickly, generating toxic haze that then gets trapped over the capital as winter air descends.

Health and Economic Consequences

The economic and health consequences on the nearly 33 million residents residing in the metropolitan zone is substantial, according to multiple research.

This pollution leads to high levels of nervous system, heart and circulatory and lung diseases, and can result in oncological diseases.

The pollution is projected to be causing ten thousand untimely deaths annually in the city.