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Tuesday brought citizens of the planet's dirtiest urban center encountered breathing severely hazardous air that was classified as the "critical" level.

Alarming Air Quality Levels

Various sections of the capital registered an pollution measurement above 500, which represents 10x the recommended level set by the WHO.

Particular areas, readings of toxic particulate matter soared to of 1800, equating to 15-20x exceeding safe standards.

Fireworks Restrictions and New Changes

Beginning in 2020, the government had implemented a complete ban on the purchase and ignition of pyrotechnics during Diwali due to their major role to the dangerous pollution that blankets the metropolis as winter sets in.

Yet in recent months, the newly elected local government petitioned the judicial authority to request a modification of the prohibition.

Officials advocated for allowing "green crackers" – previously criticized by environmentalists as being only about 30% reduced emissions – as a balance between "tradition and public health".

Court Verdict and Implementation

To the disappointment of environmental and health activists, judges complied with the proposal, stipulating that environmentally conscious fireworks could be set off during specific time windows throughout the Diwali.

During the celebrations, there was extensive flouting of the designated hours across the metropolis, with minimal monitoring regarding whether the fireworks being used were actually the eco-friendly variety.

Several monitoring devices throughout the city showed contamination peaking around late evening to the most severe readings observed during Diwali in at least the past three years.

Regional Effects

Extensive ignition of pyrotechnics during Diwali also triggered a controversy with adjacent the neighboring country, with representatives in Pakistan's the Punjab region partly blaming deteriorating pollution levels in Lahore on pollutants traveling from across the border following the events.

Chronic Pollution Problem

Alarmingly severe readings of atmospheric toxins in the city have persisted as a major issue for more than 15 years, with the condition gradually deteriorating.

Around celebratory seasons, the amount of hazardous airborne contaminants in the air has been observed to increase dramatically to 70% higher the worst levels ever documented in China's capital, which was previously regarded as the globally most contaminated city.

Diverse Contamination Sources

This crisis in the city is attributed to a mix of different contributors including automobile exhaust, construction debris, development work, rubbish burning and smoke from crop residue ignition in neighbouring states of Punjab and Haryana.

Throughout these areas, agricultural workers regularly ignite agricultural waste to prepare for next season, generating hazardous pollution that remains stagnant over the capital as cooler air descends.

Health and Economic Impact

Both financial and medical consequences on the approximately 33 million residents living in the Delhi area is significant, according to multiple investigations.

These hazardous conditions results in elevated rates of neurological, heart and circulatory and breathing disorders, and can even lead to oncological diseases.

The pollution is estimated to be responsible for 10,000 early fatalities annually in Delhi.