Thick hazy morning in Delhi chokes, air quality deteriorates

Thick hazy morning in Delhi chokes, air quality deteriorates

25 out of 31 monitoring stations in various localities of Delhi for which data https://app.cpcbccr.com/AQI_India was available on Saturday showed that the air quality in those areas could "seriously impact" the health of sick people and affect even those without any respiratory illness. Punjabi Bagh recorded the highest pollution level in the national capital at 434.

Authorities have attributed the deterioration of air quality to localised factors like construction activities and vehicular pollution as well as regional factors like pollution by stubble burning from neighbouring states of Punjab and Haryana.

The PM2.5 level (presence of particles in the air with a diameter of less than 2.5 micrometres) was recorded at 179.

Faridabad, Noida, Greater Noida, Ghaziabad and Gurgaon had also recorded air quality in the "very poor" category Thursday, according to CPCB data.

A Central Pollution Control Board or CPCB-led task force has recommended to the Supreme Court-appointed Environment Pollution Control Authority (EPCA) stringent measures from November 1 to 10. A level up to 100 is considered "good" or "satisfactory", an index value between 101 and 200 is "moderate", between 201 and 300 is "poor", 301 to 400 is categorised "very poor", and a higher value is "severe".

Prashant Saxena, head pulmonologist at the Max Smart Super Speciality Hospital in New Delhi, said the number of patients coming to him with breathing problems, asthma, chest and related ailments has increased 15-20 per cent in the past two weeks.

Some of these recommendations include shut down of coal and biomass factories, intensification of inspection by the transport department to check polluting vehicles and control traffic congestion in Delhi NCR during November 1-10.

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Stubble-burning is done by farmers, the resultant smoke takes the form of smog when it reaches Delhi and regions around it leading to a spike in air pollution.

The public has been asked avoid outdoor strenuous activities.

However, D Saha, former air quality chief at the CPCB, said meteorological factors like wind speed, solar direction and temperature are mostly responsible for increasing pollution levels in the city.

"Pollution would reduce in the next couple of days if the weather condition remains same".

The Central Pollution Control Board and SAFAR on Saturday issued separate advisories.

The health advisory is specifically for people suffering from heart or lung disease, older adults and children to avoid prolonged or heavy exertion.

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