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As Tuesday dawned citizens of the world's most polluted city were faced with exposed to severely hazardous air that registered in the "critical" level.

Extremely High Air Quality Levels

Several parts of Delhi recorded an pollution measurement above 500, which equals a tenfold increase over the recommended limit set by the WHO.

Particular areas, concentrations of toxic particulate matter soared to of 1,800, equating to fifteen to twenty times exceeding healthy limits.

Pyrotechnics Prohibition and New Changes

Since 2020, authorities had enforced a complete ban on the sale and use of firecrackers during the Festival of Lights due to their significant contribution to the dangerous haze that engulfs the metropolis as the cold season begins.

Yet recently, the recently formed local administration appealed to the supreme court to propose a relaxation of the ban.

Officials advocated for allowing "green crackers" – previously criticized by environmental experts as being only approximately one-third lower impact – as a balance between "heritage and public health".

Court Decision and Reality

To the disappointment of medical and ecological campaigners, judges complied with the request, mandating that eco-friendly pyrotechnics could be used during specific hours throughout the Diwali.

On Monday night, there was considerable violation of the designated hours across the metropolis, with minimal regulation regarding whether the pyrotechnics being used were actually the more environmentally friendly variety.

Several air quality sensors throughout the city registered air quality reaching highest levels around the night hours to the most severe readings recorded during the festival in at least three years.

Cross-Border Effects

Extensive ignition of fireworks during Diwali also initiated a controversy with neighbouring Pakistan, with officials in Pakistani Punjab partly blaming declining pollution levels in the city of Lahore on pollutants coming from across the border following the events.

Persistent Environmental Crisis

The dangerously high readings of atmospheric toxins in Delhi have remained as a significant challenge for over a decade and a half, with the condition gradually deteriorating.

During celebratory seasons, the concentration of toxic particulate matter in the air has been found to increase dramatically to 70% higher the peak records ever recorded in Beijing, which was once regarded as the planet's dirtiest metropolis.

Multiple Contamination Factors

The problem in Delhi is attributed to a combination of various sources including automobile exhaust, dust, building projects, garbage fires and smoke from farm burning in neighbouring regions of neighboring agricultural zones.

In these regions, farmers routinely ignite agricultural waste to clear them quickly, creating dangerous smog that then gets trapped over the metropolitan area as winter air sets in.

Public Health and Economic Toll

Public health and economic toll on the roughly thirty-three million residents residing in the metropolitan zone is enormous, according to numerous investigations.

These hazardous conditions leads to high levels of nervous system, cardiovascular and lung disorders, and can result in oncological diseases.

The pollution is calculated to be causing ten thousand untimely deaths annually in the city.