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On Tuesday morning residents of the world's most polluted city were faced with exposed to dangerously toxic air that registered in the "severe" range.

Extremely High Pollution Readings

Multiple areas of Delhi showed an AQI above 500, which equals 10x the healthy threshold recommended by the WHO.

Certain monitoring stations, concentrations of toxic particulate matter hit highs of eighteen hundred, equating to fifteen to twenty times exceeding safe limits.

Pyrotechnics Ban and Current Developments

Since 2020, the government had implemented a total prohibition on the purchase and ignition of firecrackers during Diwali due to their major role to the dangerous smog that blankets the metropolis as the cold season sets in.

However recently, the recently formed regional government approached the highest court to request a modification of the restrictions.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically doubted by environmentalists as being only roughly 30 percent reduced emissions – as a middle ground between "heritage and public health".

Court Verdict and Reality

To the disappointment of environmental and health advocates, judicial authorities agreed to the request, specifying that green firecrackers could be set off during designated hours throughout the Diwali.

During the celebrations, there was widespread disregard of the time restrictions across the city, with insufficient monitoring regarding whether the fireworks being used were actually the supposedly greener type.

Many monitoring devices throughout the capital registered pollution spiking around the night hours to extremely hazardous measurements seen during celebrations in at least recent memory.

Regional Implications

Extensive ignition of pyrotechnics during the celebrations also sparked a controversy with adjacent the neighboring country, with authorities in Pakistani Punjab province partially attributing deteriorating atmospheric conditions in their urban centers on hazardous particles coming from neighboring India following the festivities.

Long-Standing Pollution Issue

The dangerously high readings of air contamination in the capital have continued as a serious issue for more than 15 years, with the situation gradually deteriorating.

During Diwali, the amount of dangerous particulate matter in the air has been observed to increase dramatically to 70% higher the worst readings ever recorded in the Chinese city, which was previously viewed as the planet's dirtiest metropolis.

Various Contamination Sources

This crisis in Delhi is caused by a mix of multiple factors including heavy vehicle emissions, construction debris, development work, waste incineration and smoke from crop residue ignition in nearby states of farming communities.

Within these states, rural residents regularly set their fields on fire to expedite field preparation, generating toxic pollution that becomes contained over the capital as colder air sets in.

Health and Economic Consequences

Public health and economic toll on the approximately 33 million inhabitants calling home the Delhi area is substantial, according to multiple research.

The contaminated air causes high levels of neurological, cardiovascular and breathing conditions, and can even lead to malignancies.

Air quality crisis is projected to be responsible for approximately 10k untimely mortalities per year in the city.