New Delhi: Delhi’s air has once again turned toxic after Diwali. The capital was seen wrapped in a thick layer of smog and haze on Monday morning. According to Central Pollution Control Board (CPCB) data, Delhi’s average Air Quality Index (AQI) was recorded at 371 on the morning of November 9. This is the worst level for the day after Diwali since 2021. On Diwali, November 8, the average AQI had reached 376, the highest level on the festival day in the past five years.
Data received from Delhi’s 51 monitoring stations until 10 am showed air quality in the severe category at 14 stations. AQI was in the poor category at four stations and in the very poor category at 33 stations. The Delhi Technological University (DTU) area recorded an AQI of 439, the highest among the city’s monitoring stations.
Pollution also sharply affected visibility in the morning. At the Safdarjung weather station, visibility dropped to 50 metres at 6:30 am, while Palam recorded visibility of 400 metres. In several areas, buildings and roads were not clearly visible because of the haze.
According to experts, smoke from firecrackers adds to already existing pollution. Slow wind speed and weather conditions can trap pollutant particles in the atmosphere. Fine particles such as PM2.5 are particularly concerning for health because they can reach deep into the lungs.
Despite restrictions under Stage III of the Graded Response Action Plan (GRAP) remaining in force in Delhi, pollution levels remain high. The continuously deteriorating air has increased concern for children, the elderly and people suffering from respiratory problems.
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