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Tuesday brought citizens of the planet's dirtiest urban center encountered inhaling extremely polluted air that was classified as the "critical" level.

Record-Breaking Pollution Readings

Several parts of Delhi showed an air quality index over 500, which represents 10x the safe threshold established by the World Health Organization.

In some locations, readings of dangerous airborne particles reached peaks of 1800, amounting to 15 to 20 times exceeding acceptable levels.

Firecracker Ban and Recent Developments

Beginning in 2020, authorities had maintained a comprehensive restriction on the purchase and ignition of firecrackers during celebrations due to their major role to the dangerous pollution that engulfs the capital as winter begins.

However earlier this year, the newly elected regional leadership approached the highest court to request a relaxation of the restrictions.

The suggestion was allowing "green crackers" – which have been criticized by conservation groups as being only approximately one-third less polluting – as a compromise between "cultural practices and environment".

Judicial Decision and Reality

Much to the frustration of environmental and health campaigners, the court complied with the proposal, mandating that environmentally conscious fireworks could be ignited during limited periods throughout the Diwali.

On Monday night, there was considerable flouting of the designated hours across the metropolis, with insufficient enforcement regarding whether the pyrotechnics being used were actually the supposedly greener version.

Numerous air quality sensors throughout the city registered pollution reaching highest levels around midnight to extremely hazardous readings seen during celebrations in at least the past three years.

Cross-Border Implications

The widespread use of pyrotechnics during the celebrations also initiated a blame game with adjacent Pakistan, with officials in Pakistan's Punjab province partly blaming worsening pollution levels in Lahore on pollutants originating in India following the events.

Long-Standing Environmental Crisis

The dangerously high readings of atmospheric toxins in the capital have continued as a serious challenge for fifteen-plus years, with the condition continuing to worsen.

Around celebratory seasons, the concentration of toxic particles in the atmosphere has been found to shoot up to 70% higher the most severe readings ever measured in Beijing, which was previously considered as the planet's dirtiest urban center.

Various Contamination Factors

This crisis in the city is resulting from a combination of multiple factors including heavy vehicle emissions, airborne particles, development work, waste incineration and pollutants from crop residue ignition in nearby areas of farming communities.

Within these states, agricultural workers illegally set their fields on fire to expedite field preparation, producing dangerous smog that becomes contained over the city as cooler air sets in.

Medical and Financial Impact

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

These hazardous conditions leads to elevated rates of neurological, heart and circulatory and breathing diseases, and can potentially cause cancer.

Environmental contamination is projected to be causing approximately 10k early deaths each year in the capital.