GURGAON: The citys air quality dropped to severe with an index of 404 on Thursday, while it was very poor (385) on Wednesday. The last time the city recorded severe AQI on November 5 (402) and November 4 (404).Out of the four monitoring stations, Sector 51 (454) recorded the highest index, followed by Vikas Sadan (402) and Teri Gram (353). The data from Gwalpahari was not available.Track the pollution level in your cityAccording to the System of Air Quality and Weather Forecasting and Research (SAFAR), surface winds with speeds ranging from 4kmph to 12kmph are expected for the next six days, and the AQI is likely to stay in the very poor or severe category.Meanwhile, neighbouring Delhi (437) and Faridabad (410) recorded severe AQI on Thursday while Noida (394) and Ghaziabad (391) recorded AQI in the very poor category.The PM2.5, too, remained at hazardous levels on Thursday — it was the highest in Sector 51 (428µg/m3), followed by Vikas Sadan (419 µg/m3) and Teri Gram (343µg/m3). The PM10 level was the highest at Sector 51 (422µg/m3), followed by Teri Gram (358µg/m3). Vikas Sadan doesnt record PM10 data. According to the CPCB, the annual average permissible limits for PM2.5 and PM10 are 40µg/m3 and 60µg/m3, respectively.The region may witness a slight relief as a western disturbance is approaching. Wind speed and directions are likely to change in the next two days. This will bring some changes in the air quality as well, but it is just temporary. It will again turn severe in some days because of local factors, said Shubhansh Tiwari, a research associate at the Centre for Science and Environment.Meanwhile, the city recorded a minimum temperature of 17.1 degrees Celsius on Thursday and a maximum temperature of 31 degrees.There is a possibility of rain on the weekend because of a western disturbance in the region, said Manmohan Singh, director of IMDs Chandigarh centre.We also published the following articles recentlyWind improves air quality in Noida and Gurgaon, AQI stands in very poor zoneThe air quality in Noida and Ghaziabad slightly improved on Monday due to increased wind speed, but still remained in the very poor category. In Gurgaon, the Air Quality Index (AQI) decreased from severe to very poor on Monday. The AQI in Noida also decreased, while in Greater Noida it remained in the severe range. Ghaziabad recorded a lower AQI compared to the previous day. The Noida administration has appointed sector magistrates to ensure compliance with pollution control norms.Marginal dip in air pollution levels in Delhi, AQI in very poor categoryDelhis air quality has improved slightly, moving from severe to very poor after five consecutive days of severe pollution. However, the concentration of PM2.5 fine particulate matter remains significantly higher than the safe limit, posing health risks. The Ministry of Earth Science predicts a return to severe air quality on November 8. To combat pollution, the Delhi government has reinstated the odd-even scheme and temporarily suspended in-person classes in schools. The Graded Response Action Plan has also been implemented, including restrictions on construction activities and polluting trucks. Air pollution in Delhi is equivalent to smoking 10 cigarettes a day.Wind helps improve AQI, but air still very poorThe air quality in Gurgaon, India, improved slightly on Monday due to an increase in wind speed. The citys air quality index (AQI) decreased from "severe" to "very poor". However, experts warn that the AQI is still hazardous and more action is needed to reduce pollution from industries, power plants, and local sources like transportation and construction. The PM2.5 and PM10 levels remain at hazardous levels. Other cities in the Delhi-NCR region also recorded poor to severe AQI levels. Health experts advise residents to stay indoors and wear N95 masks during peak pollution hours.

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