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On Tuesday morning inhabitants of the world's most polluted city encountered breathing extremely polluted air that registered in the "critical" level.

Alarming Pollution Readings

Multiple areas of the capital registered an AQI exceeding 500, which represents 10x the healthy limit recommended by the global health authority.

Certain monitoring stations, concentrations of toxic particulate matter reached peaks of 1,800, representing 15-20x above healthy limits.

Firecracker Ban and Recent Policy Shifts

Beginning in 2020, authorities had implemented a comprehensive restriction on the purchase and ignition of pyrotechnics during celebrations due to their major role to the deadly smog that blankets the metropolis as winter sets in.

However earlier this year, the newly elected local administration appealed to the judicial authority to request a relaxation of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically doubted by environmental experts as being only about 30% reduced emissions – as a middle ground between "tradition and ecological concerns".

Court Ruling and Implementation

Despite concerns of medical and ecological campaigners, judges complied with the appeal, stipulating that green firecrackers could be set off during limited periods throughout the Diwali.

Throughout the festival evening, there was extensive violation of the time restrictions across the capital, with little enforcement regarding whether the fireworks being used were actually the supposedly greener variety.

Several monitoring devices throughout the city recorded air quality spiking around the night hours to extremely hazardous measurements recorded during the festival in at least recent memory.

Regional Effects

The proliferation of fireworks during Diwali also triggered a controversy with adjacent Pakistan, with authorities in Pakistan's the Punjab region partly blaming deteriorating air quality in their urban centers on hazardous particles traveling from across the border following the events.

Long-Standing Pollution Problem

The dangerously high concentrations of atmospheric toxins in Delhi have continued as a significant problem for more than 15 years, with the condition continuing to worsen.

Near the festival period, the amount of dangerous particulate matter in the air has been documented to increase dramatically to 70% higher the most severe records ever recorded in the Chinese city, which was previously viewed as the planet's dirtiest urban center.

Multiple Pollution Factors

This crisis in the city is caused by a convergence of multiple factors including heavy vehicle emissions, dust, development work, garbage fires and smoke from agricultural fires in adjacent areas of Punjab and Haryana.

Throughout these areas, rural residents illegally ignite agricultural waste to prepare for next season, producing dangerous haze that becomes contained over the city as winter air descends.

Medical and Financial Impact

Both financial and medical consequences on the approximately 33 million inhabitants living in the metropolitan zone is substantial, according to multiple investigations.

These hazardous conditions causes high levels of nervous system, cardiovascular and breathing diseases, and can potentially cause oncological diseases.

Environmental contamination is calculated to be accounting for ten thousand premature deaths each year in the city.