Gurugram’s air quality still ‘very poor’, but winds may bring relief

By Sumit Blogs -

GURUGRAM: The city air quality remained in the ‘very poor’ category for the seventh day in a row, with the AQI at 364 on Sunday compared to 345 on Saturday. From November 15 to 19, the city recorded AQIs of 332, 369, 344, 323, 324, respectively.
The highest pollution levels were recorded at Teri Gram, where the AQI was 377. This was followed by Vikas Sadan with an AQI of 370, Sector 51 with an AQI of 346 and Gwal Pahari with the lowest AQI of 335.
At all four pollution monitoring stations, the PM2.5 and PM10 levels were higher than the permissible limits of 60 and 100 micrograms per cubic metres, respectively.
Teri Gram, Vikas Sadan, Sector 51 and Gwal Pahari recorded PM2.5 levels of 375, 374, 362 and 343 micrograms per cubic metres, respectively. Meanwhile, Sector 51 recorded the highest PM10 level of 296 micrograms per cubic metres, followed by Teri Gram and Gwal Pahari with PM10 levels of 281 and 223, respectively. The data for Vikas Sadan was not available.
Last year, the city AQI was also in the ‘poor’ category during this time, according to data available with the Central Pollution Control Board (CPCB).
According to the Indian Meteorological Department (IMD), Gurugram recorded a minimum temperature of 10.6 degrees Celsius and a maximum temperature of 24.4 degrees Celsius on Sunday. The low temperatures continue to prevent the dispersal of pollutants closer to the ground, said air quality experts.
According to Haryana State Pollution Control Board (HSPCB), winds picked up speed on Sunday and pollutants may get dispersed soon. “The meteorological conditions are unfavourable at the moment but the wind speed is increasing, which is a good sign. However, pollutant dispersion is taking time as the region is witnessing a dip in temperatures,” said Kuldeep Singh, regional officer, HSPCB.
Not just Gurugram, neighbouring cities such as Faridabad, Delhi, Noida and Ghaziabad also recorded ‘very poor’ air quality on Sunday, with AQIs of 377, 349, 322 and 319, respectively. According to the System of Air Quality and Weather Forecasting And Research (SAFAR), the contribution of stubble burning to Delhi’s PM2.5 increased from 5% on Saturday to 8% on Sunday.
In Delhi, the wind speed remained better during the entire day compared with the past few days. VK Soni, head, environment and research centre, IMD, said, “Unlike the past few days, when the wind speed normally went down to nil in the evening, it was recorded at up to 6kmph at Safdarjung at 7pm, allowing dispersal of pollutants. As strong winds are expected for the next two days, significant improvement in air quality is predicted on Monday and Tuesday.”
IMD’s forecast shows that strong surface winds at the speed of 20-30 kmph are likely on Monday. Experts said after some providing relief to residents on Monday and Tuesday, the air quality is likely to start deteriorating from November 24 as wind speed is predicted to slow down.
Over the past few weeks, residents have been reporting burning sensations in the eyes and breathing troubles because of pollutants.
Credit Source – https://ift.tt/3xdaIZl

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