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On Tuesday morning citizens of the world's most polluted city encountered breathing extremely polluted air that fell into the "severe" category.

Extremely High Pollution Levels

Various sections of the capital recorded an AQI exceeding 500, which translates to a tenfold increase over the healthy level set by the World Health Organization.

Certain monitoring stations, readings of PM2.5 and PM10 hit highs of eighteen hundred, amounting to 15 to 20 times exceeding healthy limits.

Pyrotechnics Prohibition and New Policy Shifts

Since 2020, officials had implemented a complete ban on the distribution and bursting of firecrackers during Diwali due to their significant contribution to the deadly haze that blankets the city as colder weather begins.

Yet recently, the current city administration petitioned the judicial authority to request a modification of the prohibition.

Officials advocated for allowing "environmentally conscious pyrotechnics" – which have been doubted by environmentalists as being only roughly 30 percent reduced emissions – as a middle ground between "cultural practices and public health".

Judicial Verdict and Enforcement

Much to the frustration of medical and ecological campaigners, judicial authorities approved the appeal, specifying that environmentally conscious fireworks could be used during specific periods throughout the festival.

During the celebrations, there was considerable violation of the designated hours across the city, with minimal enforcement regarding whether the fireworks being used were actually the more environmentally friendly version.

Numerous recording stations throughout the city showed air quality peaking around late evening to some of the worst levels seen during the festival in at least recent memory.

Cross-Border Effects

The proliferation of fireworks during the festival also initiated a dispute with neighbouring Pakistan, with officials in Pakistan's Punjab province pointing to worsening pollution levels in Lahore on contaminants coming from across the border following the festivities.

Long-Standing Environmental Issue

Alarmingly severe levels of atmospheric toxins in Delhi have remained as a major challenge for fifteen-plus years, with the condition continuing to worsen.

During Diwali, the levels of hazardous particulate matter in the environment has been documented to shoot up to significantly exceeding the peak readings ever recorded in China's capital, which was previously considered as the planet's dirtiest metropolis.

Multiple Pollution Contributors

The situation in the city is caused by a convergence of different contributors including automobile exhaust, dust, development work, garbage fires and pollutants from farm burning in adjacent areas of neighboring agricultural zones.

Throughout these areas, agricultural workers routinely ignite agricultural waste to prepare for next season, generating hazardous pollution that becomes contained over the metropolitan area as cooler air sets in.

Public Health and Financial Impact

The economic and health consequences on the roughly thirty-three million inhabitants living in the capital region is substantial, according to multiple investigations.

These hazardous conditions causes elevated rates of nervous system, cardiovascular and breathing disorders, and can even lead to malignancies.

Environmental contamination is estimated to be responsible for ten thousand early deaths each year in the capital.