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On Tuesday morning residents of the planet's dirtiest urban center found themselves exposed to dangerously toxic air that registered in the "critical" range.

Extremely High Air Quality Readings

Several parts of the city registered an pollution measurement exceeding 500, which represents a tenfold increase over the safe threshold set by the global health authority.

Certain monitoring stations, readings of PM2.5 and PM10 reached peaks of 1800, equating to 15 to 20 times exceeding healthy standards.

Fireworks Prohibition and New Developments

Beginning in 2020, the government had enforced a complete ban on the purchase and ignition of fireworks during Diwali due to their significant contribution to the dangerous smog that engulfs the capital as colder weather sets in.

Yet recently, the newly elected city leadership approached the supreme court to request a relaxation of the prohibition.

They proposed allowing "eco-friendly fireworks" – which have been questioned by environmental experts as being only roughly 30 percent reduced emissions – as a balance between "cultural practices and environment".

Legal Ruling and Implementation

Much to the frustration of medical and ecological campaigners, the court complied with the proposal, mandating that green firecrackers could be set off during limited time windows throughout the Diwali.

During the celebrations, there was considerable disregard of the designated hours across the metropolis, with insufficient regulation regarding whether the fireworks being used were actually the supposedly greener type.

Many air quality sensors throughout the city recorded air quality reaching highest levels around midnight to some of the worst levels seen during celebrations in at least recent memory.

Cross-Border Consequences

Extensive ignition of fireworks during the festival also initiated a blame game with adjacent Pakistan, with representatives in Pakistani Punjab province partially attributing deteriorating atmospheric conditions in Lahore on pollutants coming from India following the celebrations.

Long-Standing Environmental Crisis

Alarmingly severe levels of atmospheric toxins in Delhi have remained as a serious challenge for over a decade and a half, with the situation continuing to worsen.

During Diwali, the levels of hazardous airborne contaminants in the environment has been found to shoot up to seventy percent above the most severe records ever documented in China's capital, which was once viewed as the planet's dirtiest metropolis.

Multiple Pollution Factors

The situation in the capital is attributed to a combination of various sources including automobile exhaust, dust, building projects, garbage fires and pollutants from crop residue ignition in adjacent regions of Punjab and Haryana.

In these regions, rural residents illegally set their fields on fire to prepare for next season, producing dangerous smog that then gets trapped over the capital as colder air arrives.

Health and Financial Toll

The economic and health consequences on the roughly thirty-three million residents calling home the capital region is enormous, according to numerous investigations.

The contaminated air leads to increased incidence of neurological, cardiovascular and respiratory disorders, and can result in malignancies.

Air quality crisis is calculated to be responsible for ten thousand premature mortalities annually in Delhi.