New Delhi: Delhi residents experienced a notable improvement in air quality on Thursday, marking the citys cleanest air day in nearly 300 days. The 24-hour average Air Quality Index (AQI) plummeted to 61, falling into the satisfactory category. According to data from the Central Pollution Control Board (CPCB), this is the best air quality observed since September 11, 2023, when the AQI stood at 53.Impact of recent rainfallWeather scientists attribute the improved air quality to intermittent rainfall and strong winds over the past 24 hours. These conditions have helped disperse pollutants and cleanse the citys atmosphere.Cooler temperatures bring reliefThe rain has not only cleansed the air but also provided respite from the scorching heat. With overcast skies prevailing throughout the day, Delhi recorded a maximum temperature of 31.7°C on Thursday, significantly cooler than the normal temperature for this time of year.Temperature variationsAdditionally, Delhi experienced a drop in minimum temperature to 24.8°C, three degrees below normal, contributing to cooler and more comfortable conditions for residents.Weather forecast and monsoon outlookThe India Meteorological Department (IMD) forecasts continued light to moderate showers in Delhi on Friday, with a yellow alert in effect. While the weekend may see isolated light rain, the current weather pattern suggests favorable conditions for further improvement in air quality. Delhi anticipates its best air quality during the monsoon season, with the combination of rainfall and favorable wind speeds aiding in the dispersion of pollutants. This period typically offers the highest likelihood of good air days, with AQI levels dropping below 50. The citys last good air day was recorded on September 10, 2023, with an AQI of 45.Srinagar recorded 35.7 degrees CelsiusAccording to reports, in the year 1946, the maximum temperature in Srinagar in the month of July was recorded at 38.3 degrees Celsius. Srinagars temperature made records 10 times in the month of July. In 1999, the mercury had reached 37 degrees on July 9. After this, now on July 4, it reached 35.7 degrees Celsius. Faizan said that the rise in temperature in June, July and August and going beyond 30 degrees has happened before as well, but it never remained above 30 degrees for a long time.