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On Tuesday morning citizens of the planet's dirtiest urban center found themselves exposed to extremely polluted air that registered in the "critical" category.

Record-Breaking Pollution Measurements

Several parts of Delhi registered an AQI above 500, which translates to a tenfold increase over the safe threshold recommended by the World Health Organization.

Particular areas, concentrations of dangerous airborne particles reached peaks of eighteen hundred, amounting to fifteen to twenty times above healthy standards.

Firecracker Restrictions and New Changes

Since 2020, the government had maintained a complete ban 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 begins.

Nevertheless earlier this year, the newly elected regional administration petitioned the highest court to propose a relaxation of the ban.

Officials advocated for allowing "green crackers" – which have been doubted by environmental experts as being only approximately one-third less polluting – as a balance between "cultural practices and public health".

Court Verdict and Reality

Despite concerns of public health and environmental advocates, judicial authorities agreed to the appeal, specifying that green firecrackers could be ignited during specific periods throughout the festival.

During the celebrations, there was widespread flouting of the regulated periods across the capital, with little regulation regarding whether the fireworks being used were actually the eco-friendly variety.

Many recording stations throughout the capital showed air quality peaking around midnight to some of the worst readings recorded during the festival in at least the past three years.

Cross-Border Implications

The proliferation of fireworks during the celebrations also triggered a blame game with neighbouring the neighboring country, with officials in Pakistan's Punjab province pointing to deteriorating pollution levels in Lahore on pollutants coming from India following the festivities.

Long-Standing Environmental Problem

The dangerously high concentrations of air contamination in the city have persisted as a significant problem for more than 15 years, with the situation showing no improvement.

Near celebratory seasons, the concentration of hazardous airborne contaminants in the atmosphere has been documented to increase dramatically to seventy percent above the most severe levels ever recorded in Beijing, which was previously viewed as the planet's dirtiest city.

Various Contamination Factors

This crisis in the capital is resulting from a mix of multiple factors including heavy vehicle emissions, airborne particles, construction activities, garbage fires and haze from crop residue ignition in adjacent regions of farming communities.

Within these states, farmers illegally burn crop residue to prepare for next season, producing toxic smog that becomes contained over the capital as colder air arrives.

Health and Economic Toll

The economic and health toll on the nearly 33 million inhabitants calling home the capital region is substantial, according to multiple studies.

The contaminated air results in increased incidence of neurological, heart and circulatory and breathing conditions, and can even lead to malignancies.

The pollution is estimated to be accounting for approximately 10k premature fatalities annually in Delhi.