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On Tuesday morning citizens of the world's most polluted city encountered breathing dangerously toxic air that was classified as the "alarming" range.

Extremely High Pollution Readings

Various sections of Delhi registered an air quality index over 500, which represents a tenfold increase over the recommended level set by the WHO.

Particular areas, levels of toxic particulate matter reached peaks of 1800, equating to 15-20x higher than safe standards.

Firecracker Ban and Recent Changes

Since 2020, officials had enforced a total prohibition on the distribution and bursting of firecrackers during celebrations due to their substantial impact to the deadly smog that blankets the city as colder weather begins.

Nevertheless recently, the recently formed local administration petitioned the judicial authority to seek a relaxation of the ban.

They proposed allowing "environmentally conscious pyrotechnics" – previously questioned by conservation groups as being only approximately one-third less polluting – as a compromise between "tradition and environment".

Court Decision and Implementation

To the disappointment of environmental and health campaigners, the court agreed to the appeal, mandating that environmentally conscious fireworks could be used during specific time windows throughout the Diwali.

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

Several recording stations throughout Delhi showed pollution spiking around late evening to extremely hazardous readings observed during the festival in at least the past three years.

International Consequences

Extensive ignition of pyrotechnics during the festival also sparked a controversy with adjacent Pakistan, with representatives in Pakistani Punjab pointing to declining pollution levels in the city of Lahore on pollutants originating in neighboring India following the celebrations.

Persistent Pollution Crisis

Alarmingly severe concentrations of atmospheric toxins in Delhi have remained as a serious issue for more than 15 years, with the situation continuing to worsen.

Around Diwali, the levels of hazardous airborne contaminants in the atmosphere has been documented to shoot up to seventy percent above the worst levels ever recorded in China's capital, which was formerly viewed as the globally most contaminated city.

Diverse Pollution Contributors

The problem in the city is caused by a mix of various sources including automobile exhaust, dust, development work, garbage fires and pollutants from agricultural fires in adjacent states of farming communities.

Within these states, rural residents illegally burn crop residue to expedite field preparation, creating hazardous smog that then gets trapped over the city as cooler air descends.

Medical and Financial Impact

Public health and economic impact on the nearly 33 million residents residing in the Delhi area is enormous, according to multiple investigations.

The contaminated air causes increased incidence of neurological, cardiovascular and lung conditions, and can even lead to malignancies.

The pollution is projected to be accounting for 10,000 untimely deaths annually in the city.