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Tuesday brought inhabitants of the planet's dirtiest urban center were faced with breathing severely hazardous air that fell into the "alarming" level.

Record-Breaking Air Quality Measurements

Various sections of Delhi registered an air quality index above 500, which translates to a tenfold increase over the safe limit established by the World Health Organization.

In some locations, readings of toxic particulate matter hit highs of 1800, equating to 15 to 20 times above safe standards.

Fireworks Restrictions and New Changes

Beginning in 2020, officials had enforced a complete ban on the distribution and bursting of firecrackers during celebrations due to their substantial impact to the dangerous haze that engulfs the city as winter approaches.

Nevertheless recently, the recently formed city government appealed to the judicial authority to seek a easing of the restrictions.

The suggestion was allowing "green crackers" – historically criticized by conservation groups as being only about 30% reduced emissions – as a compromise between "cultural practices and ecological concerns".

Judicial Ruling and Reality

To the disappointment of environmental and health campaigners, the court approved the request, mandating that environmentally conscious fireworks could be used during designated time windows throughout the Diwali.

Throughout the festival evening, there was widespread disregard of the regulated periods across the capital, with insufficient enforcement regarding whether the firecrackers being used were actually the supposedly greener version.

Several recording stations throughout Delhi registered pollution peaking around late evening to extremely hazardous measurements recorded during the festival in at least three years.

Regional Consequences

The proliferation of pyrotechnics during the celebrations also triggered a dispute with adjacent the neighboring country, with officials in Pakistan's Punjab province pointing to declining atmospheric conditions in the city of Lahore on contaminants coming from neighboring India following the celebrations.

Chronic Pollution Issue

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

During Diwali, the levels of dangerous airborne contaminants in the air has been observed to spike to 70% higher the peak readings ever documented in the Chinese city, which was formerly regarded as the planet's dirtiest city.

Various Pollution Contributors

The situation in the capital is attributed to a combination of multiple factors including heavy vehicle emissions, construction debris, development work, waste incineration and smoke from crop residue ignition in nearby states of Punjab and Haryana.

Within these states, farmers routinely set their fields on fire to expedite field preparation, generating dangerous pollution that then gets trapped over the city as colder air arrives.

Health and Financial Impact

Both financial and medical toll on the nearly 33 million people calling home the metropolitan zone is substantial, according to various investigations.

This pollution causes high levels of neurological, heart and circulatory and respiratory conditions, and can potentially cause oncological diseases.

Air quality crisis is projected to be accounting for approximately 10k untimely fatalities each year in the capital.