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As Tuesday dawned citizens of the planet's dirtiest urban center were faced with inhaling dangerously toxic air that was classified as the "severe" category.

Alarming Pollution Measurements

Several parts of the city recorded an AQI exceeding 500, which equals 10x the healthy limit set by the global health authority.

Particular areas, concentrations of toxic particulate matter hit highs of 1,800, equating to fifteen to twenty times above healthy standards.

Firecracker Prohibition and New Developments

Since 2020, the government had implemented a comprehensive restriction on the distribution and bursting of fireworks during celebrations due to their significant contribution to the hazardous haze that blankets the capital as colder weather approaches.

Nevertheless recently, the newly elected regional administration approached the judicial authority to propose a modification of the ban.

Officials advocated for allowing "green crackers" – historically criticized by environmentalists as being only approximately one-third lower impact – as a balance between "heritage and public health".

Court Ruling and Reality

To the disappointment of public health and environmental activists, the court approved the proposal, specifying that green firecrackers could be ignited during designated time windows throughout the Diwali.

During the celebrations, there was extensive violation of the time restrictions across the metropolis, with little regulation regarding whether the fireworks being used were actually the eco-friendly variety.

Numerous monitoring devices throughout the capital recorded pollution peaking around the night hours to extremely hazardous measurements observed during the festival in at least the past three years.

Regional Implications

Extensive ignition of fireworks during the festival also triggered a dispute with neighbouring the neighboring country, with officials in Pakistan's the Punjab region pointing to declining air quality in their urban centers on pollutants traveling from neighboring India following the events.

Long-Standing Pollution Issue

The dangerously high concentrations of pollution in the city have persisted as a major challenge for over a decade and a half, with the situation showing no improvement.

Near the festival period, the concentration of toxic particles in the environment has been observed to spike to 70% higher the peak levels ever measured in the Chinese city, which was once regarded as the planet's dirtiest urban center.

Multiple Pollution Sources

The situation in the capital is caused by a mix of different contributors including automobile exhaust, airborne particles, construction activities, garbage fires and haze from agricultural fires in neighbouring states of Punjab and Haryana.

In these regions, rural residents illegally burn crop residue to clear them quickly, creating dangerous haze that remains stagnant over the city as cooler air descends.

Public Health and Economic Toll

Both financial and medical impact on the roughly thirty-three million residents living in the capital region is enormous, according to multiple research.

The contaminated air results in high levels of neurological, heart and circulatory and breathing diseases, and can potentially cause cancer.

The pollution is estimated to be causing approximately 10k premature fatalities each year in the capital.