Kuldeep Srivastava, scientist at IMD said conditions were favourable for Sunday and Monday for light to moderate rainfall, however, a dry spell is then expected from Tuesday onwards. “As the monsoon trough shifts, Delhi-NCR will receive less rainfall. The intensity of rain will reduce on Monday and Tuesday, we can only expect strong surface winds but no rain,” said Srivastava.
09/08/2021: 10:00 IST; Thunderstorm with light to moderate intensity rain would occur over and adjoining areas of i… https://t.co/6BHtAhRlAG
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Safdarjung, Delhi’s base station, received 6.9mm of rainfall till 8.30am on Sunday, recording another 15.4mm of rainfall in the next nine hours. Ayanagar and Ridge stations, meanwhile, received ‘moderate’ rainfall — 27.4mm and 29.6mm between 8.30am and 5.30pm. Delhi’s maximum temperature was recorded at 33.4 degrees Celsius – one degree below normal. Relative humidity, however, remained high, oscillating between 73 and 97% the last 24 hours.
The Met department had issued an ‘orange’ alert for the capital for Sunday, forecasting moderate showers across the city.
Safdarjung, Delhi’s base station, has so far received 47.8mm of rainfall this month, as compared to a normal mark of 73.1mm till Sunday. Overall, since June 1, however, Safdarjung has received 589.7mm of rainfall – a large chunk of which came in July. The normal mark from June 1 until August 8 is 349.2mm, making it an excess of 69%.
Delhi’s air quality, meanwhile, was in the ‘moderate’ category on Sunday, with an overall air quality index (AQI) of 109. Despite the rain, the AQI worsened from Saturday’s reading of 101 (moderate), with PM 2.5 the lead pollutant.
Safar, a body under the ministry of earth sciences, said the air quality was in the ‘moderate’ category due to slow dispersion and scattered rain. It forecasts Delhi’s air quality to deteriorate further in the next three days, touching the higher end of the ‘moderate’ category.