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On Tuesday morning residents of this heavily contaminated metropolis were faced with inhaling dangerously toxic air that was classified as the "alarming" category.

Extremely High Pollution Levels

Various sections of the capital recorded an pollution measurement over 500, which equals 10x the recommended limit set by the WHO.

Certain monitoring stations, readings of PM2.5 and PM10 hit highs of 1,800, amounting to fifteen to twenty times exceeding healthy levels.

Firecracker Ban and New Developments

Since 2020, the government had enforced a total prohibition on the distribution and bursting of firecrackers during Diwali due to their substantial impact to the deadly haze that engulfs the city as winter approaches.

However recently, the recently formed city government approached the judicial authority to propose a modification of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – which have been criticized by environmentalists as being only roughly 30 percent lower impact – as a middle ground between "heritage and ecological concerns".

Court Decision and Implementation

To the disappointment of environmental and health campaigners, judicial authorities complied with the proposal, stipulating that environmentally conscious fireworks could be set off during limited periods throughout the festival.

During the celebrations, there was widespread violation of the designated hours across the capital, with minimal enforcement regarding whether the firecrackers being used were actually the more environmentally friendly type.

Numerous recording stations throughout the city recorded pollution spiking around late evening to extremely hazardous measurements recorded during the festival in at least three years.

International Consequences

Extensive ignition of firecrackers during the festival also initiated a blame game with bordering Pakistan, with representatives in Pakistan's Punjab pointing to deteriorating pollution levels in the city of Lahore on hazardous particles originating in India following the festivities.

Long-Standing Pollution Issue

Alarmingly severe readings of atmospheric toxins in the capital have persisted as a serious problem for fifteen-plus years, with the condition continuing to worsen.

Around Diwali, the levels of dangerous particles in the environment has been found to spike to significantly exceeding the worst records ever measured in the Chinese city, which was formerly considered as the world's most polluted urban center.

Diverse Pollution Factors

The problem in Delhi is attributed to a mix of various sources including heavy vehicle emissions, airborne particles, construction activities, garbage fires and pollutants from farm burning in adjacent regions of Punjab and Haryana.

In these regions, farmers regularly burn crop residue to prepare for next season, creating toxic pollution that then gets trapped over the capital as cooler air sets in.

Public Health and Economic Consequences

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

This pollution causes elevated rates of neurological, heart and circulatory and lung diseases, and can result in oncological diseases.

Environmental contamination is projected to be responsible for ten thousand early mortalities per year in the capital.