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As Tuesday dawned inhabitants of the world's most polluted city found themselves breathing dangerously toxic air that fell into the "critical" level.

Record-Breaking Air Quality Readings

Various sections of the city recorded an AQI exceeding 500, which equals 10x the healthy level set by the World Health Organization.

Certain monitoring stations, concentrations of PM2.5 and PM10 hit highs of 1,800, equating to 15-20x higher than acceptable limits.

Fireworks Prohibition and New Changes

Beginning in 2020, authorities had enforced a total prohibition on the purchase and ignition of firecrackers during celebrations due to their significant contribution to the deadly smog that engulfs the city as colder weather approaches.

Nevertheless recently, the recently formed regional government approached the supreme court to propose a easing of the prohibition.

The suggestion was allowing "eco-friendly fireworks" – previously questioned by conservation groups as being only about 30% lower impact – as a compromise between "cultural practices and environment".

Judicial Ruling and Enforcement

Much to the frustration of medical and ecological campaigners, the court agreed to the appeal, specifying that eco-friendly pyrotechnics could be used during designated time windows throughout the Diwali.

Throughout the festival evening, there was widespread violation of the time restrictions across the city, with insufficient enforcement regarding whether the firecrackers being used were actually the more environmentally friendly variety.

Many air quality sensors throughout the capital recorded pollution peaking around the night hours to extremely hazardous measurements seen during the festival in at least three years.

International Implications

The widespread use of fireworks during the celebrations also sparked a blame game with adjacent the neighboring country, with representatives in Pakistani Punjab province partly blaming deteriorating atmospheric conditions in Lahore on contaminants traveling from neighboring India following the festivities.

Chronic Environmental Crisis

The dangerously high levels of air contamination in the capital have persisted as a major problem for fifteen-plus years, with the condition gradually deteriorating.

Around celebratory seasons, the levels of dangerous particles in the atmosphere has been observed to shoot up to significantly exceeding the most severe readings ever measured in the Chinese city, which was previously regarded as the world's most polluted urban center.

Multiple Contamination Factors

The situation in the capital is attributed to a mix of different contributors including transportation pollution, airborne particles, development work, rubbish burning and smoke from agricultural fires in neighbouring areas of neighboring agricultural zones.

Within these states, rural residents routinely burn crop residue to prepare for next season, generating dangerous haze that remains stagnant over the capital as colder air arrives.

Medical and Economic Toll

The economic and health consequences on the nearly 33 million people living in the capital region is substantial, according to various studies.

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

The pollution is calculated to be accounting for ten thousand untimely deaths annually in the capital.