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Tuesday brought citizens of the planet's dirtiest urban center encountered inhaling severely hazardous air that fell into the "alarming" category.

Extremely High Pollution Readings

Several parts of the city recorded an pollution measurement exceeding 500, which translates to 10x the healthy threshold set by the World Health Organization.

Particular areas, readings of dangerous airborne particles hit highs of 1800, representing 15 to 20 times higher than safe limits.

Fireworks Restrictions and Recent Policy Shifts

Since 2020, officials had maintained a total prohibition on the sale and use of firecrackers during the Festival of Lights due to their major role to the hazardous smog that engulfs the capital as winter approaches.

Yet recently, the newly elected city leadership appealed to the highest court to seek a easing of the restrictions.

They proposed allowing "green crackers" – historically questioned by environmentalists as being only approximately one-third less polluting – as a compromise between "cultural practices and ecological concerns".

Court Decision and Implementation

Much to the frustration of public health and environmental campaigners, judicial authorities complied with the proposal, mandating that environmentally conscious fireworks could be used during specific time windows throughout the Diwali.

During the celebrations, there was considerable disregard of the time restrictions across the metropolis, with little enforcement regarding whether the firecrackers being used were actually the eco-friendly variety.

Many recording stations throughout the capital recorded contamination spiking around midnight to the most severe measurements recorded during the festival in at least three years.

International Implications

Extensive ignition of firecrackers during the festival also initiated a dispute with adjacent the neighboring country, with representatives in Pakistan's Punjab partially attributing declining air quality in Lahore on contaminants coming from neighboring India following the events.

Long-Standing Environmental Crisis

Alarmingly severe readings of atmospheric toxins in the capital have remained as a major issue for more than 15 years, with the problem gradually deteriorating.

During the festival period, the levels of toxic particles in the atmosphere has been documented to spike to significantly exceeding the peak records ever documented in China's capital, which was formerly viewed as the globally most contaminated urban center.

Multiple Contamination Factors

The problem in the city is resulting from a combination of multiple factors including heavy vehicle emissions, dust, construction activities, rubbish burning and smoke from crop residue ignition in adjacent regions of Punjab and Haryana.

In these regions, farmers routinely set their fields on fire to prepare for next season, producing dangerous haze that then gets trapped over the capital as cooler air sets in.

Health and Financial Consequences

Public health and economic toll on the roughly thirty-three million people calling home the capital region is significant, according to various research.

This pollution causes high levels of nervous system, heart and circulatory and breathing disorders, and can potentially cause cancer.

Environmental contamination is estimated to be causing approximately 10k early mortalities annually in the city.