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On Tuesday morning residents of the world's most polluted city found themselves breathing dangerously toxic air that fell into the "alarming" level.

Record-Breaking Pollution Readings

Various sections of the capital registered an AQI exceeding 500, which represents 10x the safe level recommended by the World Health Organization.

Particular areas, levels of dangerous airborne particles hit highs of eighteen hundred, amounting to 15-20x above acceptable levels.

Firecracker Prohibition and Current Policy Shifts

Beginning in 2020, authorities had implemented a complete ban on the sale and use of firecrackers during the Festival of Lights due to their major role to the hazardous smog that engulfs the city as colder weather sets in.

Yet earlier this year, the recently formed local administration approached the supreme court to propose a relaxation of the prohibition.

Officials advocated for allowing "green crackers" – historically criticized by environmentalists as being only approximately one-third less polluting – as a middle ground between "heritage and ecological concerns".

Judicial Verdict and Implementation

Despite concerns of public health and environmental advocates, judges agreed to the appeal, mandating that eco-friendly pyrotechnics could be ignited during specific periods throughout the celebrations.

Throughout the festival evening, there was considerable violation of the designated hours across the metropolis, with insufficient regulation regarding whether the pyrotechnics being used were actually the supposedly greener type.

Several recording stations throughout the city registered air quality spiking around the night hours to some of the worst readings recorded during celebrations in at least the past three years.

Cross-Border Consequences

Extensive ignition of fireworks during the festival also initiated a blame game with bordering the neighboring country, with representatives in Pakistani Punjab partially attributing deteriorating atmospheric conditions in the city of Lahore on contaminants traveling from neighboring India following the festivities.

Persistent Pollution Crisis

Alarmingly severe concentrations of pollution in Delhi have persisted as a major challenge for over a decade and a half, with the condition gradually deteriorating.

Around Diwali, the levels of dangerous airborne contaminants in the environment has been documented to shoot up to seventy percent above the worst readings ever recorded in the Chinese city, which was formerly viewed as the planet's dirtiest urban center.

Multiple Pollution Sources

The situation in Delhi is attributed to a mix of multiple factors including transportation pollution, dust, building projects, waste incineration and smoke from crop residue ignition in adjacent states of Punjab and Haryana.

In these regions, farmers illegally ignite agricultural waste to expedite field preparation, creating toxic pollution that then gets trapped over the capital as cooler air arrives.

Medical and Financial Toll

Both financial and medical toll on the nearly 33 million inhabitants residing in the metropolitan zone is enormous, according to multiple studies.

The contaminated air leads to high levels of nervous system, heart and circulatory and breathing conditions, and can even lead to malignancies.

Air quality crisis is calculated to be responsible for 10,000 untimely fatalities annually in the capital.