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As Tuesday dawned citizens of this heavily contaminated metropolis encountered exposed to dangerously toxic air that was classified as the "alarming" level.

Record-Breaking Pollution Levels

Several parts of Delhi registered an AQI over 500, which translates to 10x the healthy threshold set by the global health authority.

Certain monitoring stations, levels of dangerous airborne particles hit highs of 1,800, representing fifteen to twenty times exceeding safe standards.

Fireworks Restrictions and New Changes

Since 2020, the government had maintained a complete ban on the distribution and bursting of pyrotechnics during celebrations due to their significant contribution to the hazardous pollution that covers the metropolis as winter approaches.

Yet recently, the newly elected city administration petitioned the judicial authority to request a relaxation of the restrictions.

They proposed allowing "eco-friendly fireworks" – historically criticized by environmental experts as being only about 30% lower impact – as a compromise between "cultural practices and public health".

Legal Ruling and Reality

Despite concerns of medical and ecological advocates, judges approved the request, mandating that environmentally conscious fireworks could be used during limited periods throughout the celebrations.

On Monday night, there was considerable disregard of the designated hours across the capital, with insufficient monitoring regarding whether the firecrackers being used were actually the more environmentally friendly version.

Several recording stations throughout the capital recorded contamination peaking around midnight to extremely hazardous readings observed during celebrations in at least the past three years.

Regional Consequences

The proliferation of pyrotechnics during Diwali also triggered a dispute with adjacent the neighboring country, with officials in Pakistani Punjab province partly blaming worsening air quality in Lahore on hazardous particles coming from neighboring India following the events.

Persistent Pollution Crisis

Alarmingly severe levels of pollution in the capital have persisted as a serious issue for fifteen-plus years, with the condition gradually deteriorating.

Near celebratory seasons, the concentration of toxic particulate matter in the atmosphere has been observed to increase dramatically to significantly exceeding the worst levels ever measured in the Chinese city, which was once considered as the world's most polluted city.

Multiple Contamination Factors

The problem in Delhi is resulting from a combination of various sources including automobile exhaust, dust, building projects, waste incineration and pollutants from farm burning in neighbouring states of farming communities.

Within these states, farmers regularly set their fields on fire to clear them quickly, producing dangerous haze that becomes contained over the metropolitan area as cooler air descends.

Health and Economic Toll

Both financial and medical consequences on the approximately 33 million residents residing in the capital region is significant, according to numerous research.

This pollution results in high levels of neurological, cardiovascular and breathing conditions, and can result in cancer.

The pollution is estimated to be accounting for ten thousand early deaths annually in the city.