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On Tuesday morning inhabitants of the planet's dirtiest urban center encountered exposed to dangerously toxic air that was classified as the "alarming" level.

Extremely High Pollution Readings

Multiple areas of the capital registered an pollution measurement over 500, which equals a tenfold increase over the safe level recommended by the global health authority.

In some locations, levels of PM2.5 and PM10 reached peaks of 1,800, representing 15-20x above safe levels.

Firecracker Ban and New Developments

For the past four years, officials had enforced a complete ban on the purchase and ignition of pyrotechnics during the Festival of Lights due to their significant contribution to the hazardous smog that covers the metropolis as colder weather sets in.

Yet recently, the recently formed local administration appealed to the highest court to propose a relaxation of the restrictions.

The suggestion was allowing "environmentally conscious pyrotechnics" – previously doubted by conservation groups as being only approximately one-third reduced emissions – as a middle ground between "cultural practices and public health".

Court Ruling and Reality

Much to the frustration of environmental and health advocates, judges approved the request, specifying that environmentally conscious fireworks could be used during specific periods throughout the festival.

Throughout the festival evening, there was widespread disregard of the time restrictions across the metropolis, with insufficient regulation regarding whether the firecrackers being used were actually the supposedly greener type.

Many recording stations throughout the capital registered pollution reaching highest levels around the night hours to the most severe measurements recorded during celebrations in at least three years.

Cross-Border Consequences

Extensive ignition of firecrackers during the celebrations also sparked a blame game with bordering the neighboring country, with authorities in Pakistani the Punjab region partially attributing worsening air quality in Lahore on pollutants coming from neighboring India following the festivities.

Chronic Pollution Problem

Alarmingly severe concentrations of air contamination in the capital have persisted as a significant challenge for more than 15 years, with the condition showing no improvement.

Around celebratory seasons, the concentration of dangerous airborne contaminants in the environment has been found to spike to significantly exceeding the worst readings ever documented in China's capital, which was previously considered as the globally most contaminated metropolis.

Diverse Pollution Sources

The situation in the capital is resulting from a mix of various sources including automobile exhaust, dust, building projects, rubbish burning and smoke from crop residue ignition in neighbouring areas of neighboring agricultural zones.

In these regions, agricultural workers regularly burn crop residue to expedite field preparation, generating hazardous pollution that remains stagnant over the city as cooler air sets in.

Medical and Economic Impact

The economic and health toll on the roughly thirty-three million inhabitants living in the Delhi area is substantial, according to various investigations.

This pollution leads to high levels of nervous system, heart and circulatory and breathing disorders, and can potentially cause cancer.

Air quality crisis is estimated to be causing ten thousand untimely mortalities per year in the capital.