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As Tuesday dawned inhabitants of the world's most polluted city encountered inhaling severely hazardous air that registered in the "severe" range.

Alarming Air Quality Readings

Several parts of the city registered an air quality index exceeding 500, which translates to ten times the healthy level recommended by the World Health Organization.

Particular areas, readings of PM2.5 and PM10 hit highs of 1,800, representing fifteen to twenty times exceeding healthy levels.

Pyrotechnics Restrictions and Recent Changes

Since 2020, the government had maintained a comprehensive restriction on the sale and use of pyrotechnics during Diwali due to their major role to the deadly smog that engulfs the metropolis as colder weather begins.

Yet in recent months, the current local government approached the supreme court to propose a easing of the restrictions.

The suggestion was allowing "eco-friendly fireworks" – which have been doubted by environmental experts as being only approximately one-third less polluting – as a compromise between "heritage and environment".

Legal Ruling and Implementation

Much to the frustration of medical and ecological campaigners, judges complied with the appeal, stipulating that environmentally conscious fireworks could be ignited during designated periods throughout the festival.

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

Several air quality sensors throughout the capital registered pollution peaking around late evening to the most severe readings recorded during celebrations in at least three years.

International Implications

Extensive ignition of firecrackers during Diwali also triggered a blame game with neighbouring Pakistan, with officials in Pakistani Punjab province pointing to declining atmospheric conditions in Lahore on hazardous particles originating in neighboring India following the celebrations.

Chronic Environmental Crisis

The dangerously high levels of atmospheric toxins in the capital have remained as a major issue for more than 15 years, with the condition continuing to worsen.

Near celebratory seasons, the concentration of hazardous airborne contaminants in the air has been found to increase dramatically to seventy percent above the peak readings ever measured in Beijing, which was previously regarded as the planet's dirtiest urban center.

Various Pollution Factors

The problem in the city is caused by a convergence of multiple factors including automobile exhaust, dust, development work, rubbish burning and smoke from agricultural fires in nearby states of neighboring agricultural zones.

Within these states, rural residents routinely set their fields on fire to prepare for next season, creating toxic haze that becomes contained over the metropolitan area as winter air descends.

Medical and Financial Impact

Both financial and medical impact on the approximately 33 million people residing in the Delhi area is significant, according to various studies.

This pollution leads to high levels of nervous system, heart and circulatory and lung conditions, and can even lead to oncological diseases.

The pollution is estimated to be responsible for 10,000 early fatalities per year in Delhi.