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On Tuesday morning citizens of the planet's dirtiest urban center encountered inhaling severely hazardous air that was classified as the "critical" category.

Alarming Pollution Readings

Multiple areas of the capital recorded an pollution measurement above 500, which represents a tenfold increase over the recommended limit established by the World Health Organization.

Certain monitoring stations, concentrations of PM2.5 and PM10 soared to of 1,800, representing 15 to 20 times above acceptable limits.

Firecracker Prohibition and New Developments

Since 2020, authorities had enforced a total prohibition on the sale and use of firecrackers during the Festival of Lights due to their substantial impact to the dangerous pollution that covers the capital as the cold season approaches.

Yet in recent months, the recently formed city leadership appealed to the judicial authority to request a relaxation of the prohibition.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically questioned by environmentalists as being only about 30% less polluting – as a middle ground between "cultural practices and ecological concerns".

Court Decision and Reality

Much to the frustration of medical and ecological campaigners, judges agreed to the proposal, stipulating that eco-friendly pyrotechnics could be used during limited time windows throughout the festival.

Throughout the festival evening, there was widespread disregard of the designated hours across the city, with little monitoring regarding whether the fireworks being used were actually the eco-friendly type.

Numerous air quality sensors throughout the capital registered pollution reaching highest levels around the night hours to the most severe measurements seen during celebrations in at least recent memory.

Regional Implications

The widespread use of fireworks during the celebrations also triggered a dispute with bordering Pakistan, with representatives in Pakistan's Punjab partly blaming deteriorating air quality in their urban centers on hazardous particles traveling from across the border following the events.

Long-Standing Pollution Problem

Alarmingly severe concentrations of pollution in Delhi have persisted as a major issue for fifteen-plus years, with the problem continuing to worsen.

Near Diwali, the concentration of hazardous airborne contaminants in the environment has been found to increase dramatically to 70% higher the worst readings ever recorded in China's capital, which was previously considered as the planet's dirtiest urban center.

Various Contamination Sources

This crisis in the city is attributed to a convergence of multiple factors including automobile exhaust, dust, construction activities, rubbish burning and smoke from agricultural fires in nearby states of farming communities.

Within these states, farmers regularly ignite agricultural waste to prepare for next season, creating dangerous haze that then gets trapped over the metropolitan area as cooler air sets in.

Public Health and Financial Impact

Public health and economic impact on the approximately 33 million residents residing in the metropolitan zone is significant, according to multiple research.

The contaminated air causes high levels of nervous system, heart and circulatory and breathing diseases, and can result in oncological diseases.

The pollution is estimated to be responsible for 10,000 early deaths annually in the capital.