Delhi’s air became pure
After record rainfall in September, Delhi’s air quality was the cleanest of the year on Friday. The national capital recorded an air quality index (AQI) of 52, which is considered close to “good” and “satisfactory” AQI. Faridabad recorded a 24-hour average AQI of 24, while Ghaziabad and Noida recorded an AQI of 34 and 46, respectively, all of which fall in the “good” category of air quality. Meanwhile, Gurugram recorded an AQI of 69 and Bulandshahr recorded an AQI of 21, Meerut recorded 28, and Muzaffarnagar recorded an AQI of 29.
Delhi received record rainfall in September
The significant improvement in air quality can be attributed to the active monsoon, which brought ample rainfall across the Delhi NCR region and the rain effectively washed away the factors considered responsible for air pollution and made the air clean. During the rain, the wind speed was 30-40 kmph, which washed away the factors causing air pollution. Let us tell you that in the early days of September, Delhi received record rainfall this year, due to which the seasonal average rainfall crossed the figure of 1,000 mm.
The weather became pleasant due to more than normal rain
According to a PTI report, Delhi’s Palam recorded 54 mm rainfall, while the Safdarjung weather station recorded 30.9 mm rainfall within three hours from 2.30 pm to 5.30 pm on Friday. According to official data, Delhi has also crossed the average rainfall limit for the month of September. Delhi recorded 125.8 mm rainfall in September, which is 55% more than normal. September 2023 received below average rainfall, recording only 82.7 mm, which is 33% less than the normal amount.
Let us tell you that rainfall measured between 64.5 mm and 115.5 mm is considered “heavy”, rainfall between 115.6 mm and 204.4 mm is considered “very heavy”, and rainfall above 204.5 mm is considered “extremely heavy rain”. Talking about air quality, the AQI scale ranges from “good” (0-50) to “severe” (401-500), with “satisfactory” (51-100) indicating that there is little or no risk in air quality.
