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As Tuesday dawned citizens of this heavily contaminated metropolis encountered exposed to dangerously toxic air that fell into the "critical" category.

Extremely High Air Quality Levels

Several parts of the city showed an pollution measurement over 500, which translates to 10x the safe threshold established by the global health authority.

Certain monitoring stations, concentrations of dangerous airborne particles soared to of 1800, amounting to 15 to 20 times exceeding healthy standards.

Firecracker Prohibition and Current Developments

For the past four years, officials had enforced a total prohibition on the distribution and bursting of fireworks during celebrations due to their major role to the dangerous haze that blankets the city as colder weather approaches.

However recently, the newly elected local administration petitioned the supreme court to propose a easing of the prohibition.

The suggestion was allowing "green crackers" – previously questioned by environmental experts as being only about 30% reduced emissions – as a balance between "heritage and ecological concerns".

Legal Verdict and Implementation

Despite concerns of medical and ecological campaigners, judicial authorities agreed to the appeal, specifying that eco-friendly pyrotechnics could be ignited during designated periods throughout the festival.

Throughout the festival evening, there was extensive disregard of the designated hours across the city, with little regulation regarding whether the pyrotechnics being used were actually the eco-friendly type.

Several monitoring devices throughout the capital showed air quality reaching highest levels around the night hours to extremely hazardous levels observed during celebrations in at least recent memory.

International Consequences

The proliferation of fireworks during the festival also triggered a blame game with bordering the neighboring country, with representatives in Pakistani Punjab pointing to declining air quality in their urban centers on hazardous particles coming from across the border following the celebrations.

Persistent Pollution Problem

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

During celebratory seasons, the concentration of toxic airborne contaminants in the atmosphere has been documented to increase dramatically to 70% higher the worst records ever measured in China's capital, which was formerly considered as the globally most contaminated city.

Various Contamination Factors

The situation in the city is attributed to a convergence of different contributors including heavy vehicle emissions, airborne particles, development work, garbage fires and smoke from farm burning in neighbouring regions of neighboring agricultural zones.

Throughout these areas, rural residents illegally ignite agricultural waste to prepare for next season, generating dangerous haze that becomes contained over the metropolitan area as colder air descends.

Medical and Financial Toll

Both financial and medical toll on the nearly 33 million inhabitants residing in the metropolitan zone is enormous, according to various research.

These hazardous conditions leads to increased incidence of nervous system, heart and circulatory and breathing conditions, and can potentially cause oncological diseases.

Air quality crisis is projected to be responsible for 10,000 early mortalities annually in the capital.