People residing in Delhi-NCR regions woke up to a sky wrapped up in grey. Many parts of Delhi and around are covered in dust and the Air Quality Index (AQI) was seen plummeting touching the hazardous category.16/05/2023: 02:20 IST Dust storm/gusty winds with speed of 40-75 Km/h would occur over and adjoining areas of entire Delhi and NCR, Jhajjar, Farukhnagar, Sohana, Nuh (Haryana) . Dust storm/Thunderstorm with rain (followed by rain) and— RWFC New Delhi (@RWFC_ND) May 15, 2023gusty winds with speed of 40-60 Km/h would occur over and adjoining areas of Kosali, Mahendargarh, Rewari, Narnaul, Bawal (Haryana) Khairthal, Kotputli, Alwar, Viratnagar, Rajgarh (Rajasthan) during next 2 hours. pic.twitter.com/FxXP6lJOzo— RWFC New Delhi (@RWFC_ND) May 15, 2023The overall AQI recorded hovered around 134, that is moderate category. The System of Air Quality and Weather Forecasting And Research (SAFAR) stated that dust-raising strong winds are being seen in and around Delhi since early morning. At the IGI Airport, the visibility was marked up to 1100 meters.According to experts, the dust storm around Delhi NCR (National Capital Region) has been caused due to cyclonic circulation prevailing over Rajasthan and surrounding areas. This cyclonic circulation has resulted in the dust storms and rainfall activities around North Rajasthan and the impact of the same can be seen in and Delhi, Haryana and some parts of Punjab.image credit: aqicn.orgAs per the SAFAR, the impact will prevail in these parts for three-four upcoming days.As far as Delhi and surrounding areas are concerned, the temperature hovered around 40 degrees Celsius during the last four-five days. However, Monday evening witnessed strong gusty winds and a significant drop in the temperature.