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Tuesday brought inhabitants of this heavily contaminated metropolis found themselves inhaling severely hazardous air that fell into the "critical" level.

Record-Breaking Pollution Levels

Multiple areas of the capital showed an air quality index over 500, which equals 10x the healthy threshold recommended by the global health authority.

In some locations, readings of dangerous airborne particles reached peaks of eighteen hundred, equating to fifteen to twenty times above healthy levels.

Firecracker Ban and New Developments

Beginning in 2020, officials had implemented a total prohibition on the distribution and bursting of firecrackers during celebrations due to their significant contribution to the dangerous smog that covers the metropolis as the cold season begins.

However recently, the newly elected local administration petitioned the highest court to seek a modification of the restrictions.

They proposed allowing "green crackers" – historically criticized by conservation groups as being only approximately one-third less polluting – as a middle ground between "heritage and ecological concerns".

Judicial Verdict and Reality

To the disappointment of medical and ecological activists, judges complied with the proposal, stipulating that eco-friendly pyrotechnics could be used during limited periods throughout the celebrations.

Throughout the festival evening, there was widespread disregard of the regulated periods across the city, with little enforcement regarding whether the pyrotechnics being used were actually the supposedly greener version.

Several air quality sensors throughout the capital recorded contamination peaking around the night hours to extremely hazardous measurements recorded during celebrations in at least recent memory.

Cross-Border Effects

The widespread use of fireworks during Diwali also triggered a blame game with bordering Pakistan, with representatives in Pakistan's Punjab province pointing to deteriorating air quality in Lahore on pollutants coming from across the border following the festivities.

Persistent Pollution Problem

Alarmingly severe concentrations of air contamination in the city have continued as a major challenge for over a decade and a half, with the condition gradually deteriorating.

During the festival period, the levels of toxic airborne contaminants in the environment has been found to shoot up to 70% higher the worst levels ever documented in the Chinese city, which was formerly considered as the world's most polluted city.

Various Contamination Factors

The problem in the capital is resulting from a mix of multiple factors including automobile exhaust, dust, development work, garbage fires and smoke from agricultural fires in adjacent areas of Punjab and Haryana.

Within these states, rural residents regularly set their fields on fire to clear them quickly, generating dangerous haze that remains stagnant over the metropolitan area as winter air sets in.

Health and Financial Consequences

Public health and economic impact on the approximately 33 million inhabitants living in the metropolitan zone is substantial, according to multiple research.

These hazardous conditions results in high levels of neurological, heart and circulatory and respiratory diseases, and can result in malignancies.

The pollution is calculated to be accounting for 10,000 premature deaths each year in Delhi.