New Delhi woke to an Air Quality Index exceeding 350 on Monday, plunging the megacity into the severe health risk category after residents lit firecrackers during Diwali celebrations.
A Thick Gray Haze Overcomes Capital Restrictions
Despite strict regulations ordered by India’s Supreme Court, smoke and fine particulate matter filled the skies over the capital on Sunday evening. Monitoring stations across the metropolitan region recorded alarming pollution levels as a gray haze drastically reduced visibility.
India’s Supreme Court had sought to limit the annual pollution spike in October by restricting conventional firecrackers. The court permitted only approved green firecrackers under specified conditions for three-hour windows on Saturday and Sunday.
While green firecrackers produce fewer emissions than traditional ones, they are not pollution-free. They still release particulate matter and other pollutants into the atmosphere.
Immediate Toll on 30 Million Residents
Residents reported immediate health impacts from the worsening smog. “Because of the pollution there is irritation in the throat and itching in the eyes,” said Isyad, a New Delhi resident who uses one name.
New Delhi and its surrounding metropolitan region are home to more than 30 million people. The area regularly ranks among the world’s most polluted during winter months.
The Convergence of Fireworks and Crop Stalks
The seasonal crisis intensifies when Diwali fireworks coincide with cooler weather and smoke from crop-residue fires in the neighboring states of Punjab and Haryana. Farmers burn leftover rice stalks after the harvest to clear their fields for the next planting season.
Wind currents then carry the smoke toward New Delhi. This agricultural smoke combines with local pollution sources, including vehicle exhaust, industrial emissions, and construction dust.
The problem peaks in late October and November as cooler temperatures, low wind speeds, and stagnant atmospheric conditions trap pollutants near the ground. The resulting haze often lingers over the capital for days.
Criticism Mounts Over Short-Term Fixes
Authorities have attempted to combat the crisis by limiting construction activity and restricting diesel generators. However, these measures have failed to prevent severe pollution from returning annually.
Environmental advocates argue that current policies rely too heavily on short-term fixes. Shweta Narayan, a public health expert at the Global Climate and Health Alliance, described the government response as knee-jerk and temporary.
“A lot of interventions happen only because the government is pressured or pushed in a corner to do something,” Narayan said.
Environmentalists maintain that preventing the annual crisis requires long-term structural changes, including cleaner energy sources and stricter controls on vehicle emissions.
Earlier coverage: Delhi Air Quality Slips To Severe Due To Firecrackers And Seasonal Factors
