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As Tuesday dawned citizens of the planet's dirtiest urban center were faced with inhaling extremely polluted air that fell into the "severe" level.

Extremely High Air Quality Measurements

Multiple areas of the city showed an AQI exceeding 500, which translates to a tenfold increase over the safe threshold recommended by the WHO.

Particular areas, levels of toxic particulate matter soared to of 1,800, representing fifteen to twenty times above healthy limits.

Pyrotechnics Ban and Current Changes

Since 2020, authorities had maintained a complete ban on the distribution and bursting of fireworks during celebrations due to their major role to the deadly pollution that covers the metropolis as colder weather begins.

Nevertheless earlier this year, the newly elected local leadership approached the highest court to request a relaxation of the restrictions.

The suggestion was allowing "eco-friendly fireworks" – previously questioned by environmental experts as being only about 30% reduced emissions – as a balance between "tradition and public health".

Judicial Verdict and Implementation

Much to the frustration of medical and ecological activists, judicial authorities approved the request, specifying that environmentally conscious fireworks could be ignited during specific time windows throughout the festival.

On Monday night, there was widespread flouting of the regulated periods across the metropolis, with insufficient monitoring regarding whether the firecrackers being used were actually the supposedly greener variety.

Several air quality sensors throughout the capital registered pollution spiking around the night hours to extremely hazardous measurements observed during Diwali in at least the past three years.

Regional Effects

The widespread use of fireworks during the celebrations also triggered a blame game with neighbouring the neighboring country, with representatives in Pakistani Punjab pointing to deteriorating atmospheric conditions in Lahore on contaminants originating in across the border following the celebrations.

Long-Standing Environmental Problem

Alarmingly severe readings of air contamination in Delhi have remained as a significant challenge for over a decade and a half, with the condition gradually deteriorating.

Around Diwali, the amount of toxic particulate matter in the environment has been documented to increase dramatically to 70% higher the most severe records ever measured in China's capital, which was once viewed as the planet's dirtiest city.

Various Contamination Sources

The situation in the capital is caused by a combination of multiple factors including automobile exhaust, airborne particles, construction activities, waste incineration and haze from farm burning in nearby areas of farming communities.

In these regions, farmers regularly burn crop residue to prepare for next season, producing hazardous haze that then gets trapped over the capital as cooler air descends.

Public Health and Financial Consequences

The economic and health toll on the approximately 33 million residents residing in the capital region is significant, according to multiple research.

These hazardous conditions leads to high levels of nervous system, cardiovascular and breathing disorders, and can even lead to malignancies.

Air quality crisis is calculated to be causing 10,000 untimely fatalities each year in the city.