August 15, 2022
Delhi has many ups and downs this year

After witnessing the highest February rainfall and record heatwaves in April, Delhi witnessed the coldest July in the last five years, with an average temperature of 35.4 degrees Celsius. Earlier in 2019, the national capital witnessed a temperature of 35.3 degrees in July.

The city recorded unusual rainfall in January and February, record heatwaves in April and May and heavy rains in July. The pollution index also fluctuated between extremes as the city saw its cleanest air in July after a poor performance in the first six months.

The national capital has been experiencing extremes recently, with new weather records being witnessed this year. News18 takes a look at some of the extreme record-breaking conditions in the capital this year.

rainy july

Delhi’s Safdarjung Base Weather Station saw 19 rainy days in July, the highest number recorded in the last 11 years. According to the IMD, 141 percent excess rainfall was recorded in July with 507.1 mm of rain.

The normal number recorded in the month is just nine. Incessant rains in the capital also helped clear the air and Delhi’s air was the cleanest since July 2020. It was also the second cleanest July since 2015 when the Central Pollution Control Board began measuring the air quality index.

most heatwaves

Delhi has also recorded severe heat wave conditions this year. According to the India Meteorological Department, it has been 25 days in this season so far, when the maximum temperature of 42 degrees Celsius or more was recorded in the national capital. This is the longest period of heatwave since 2012, when such high temperatures were recorded in the national capital.

It also saw a new record on May 15 as the mercury rose to 49 degrees at Mungeshpur near the Haryana border, the highest since May 1966. Prior to this, the highest ever temperature of Delhi was recorded in April 1941 at 45.6 Celsius.

February rain

Delhi recorded an unusually high rainfall in February as the city recorded 28.7 mm of rain. Along with the rains in the month, there was also hailstorm in the city. The national capital has not received so much rain since 2014.

In 2014, Delhi received a total of 48.8 mm of rain in February. The average rainfall in Delhi during this month is generally 18 mm. However, this year February has received 85 per cent more rainfall than normal.

poor air quality this year

In November last year, a thick layer of pungent haze loomed over Delhi-NCR as residents flouting cracker restrictions pushed the capital’s 24-hour average air quality index to 462 for the day after Diwali. Which was the highest in five years. The 24-hour AQI in Noida stood at 475, which is the highest in the country. Neighboring cities Faridabad (469), Greater Noida (464), Ghaziabad (470), Gurgaon (472) also recorded ‘severe’ air pollution levels.

According to government data tabled in the Rajya Sabha, the city has not recorded a single “good” air quality day in the first six months this year with an AQI of 50 or less. However, seven “satisfactory” and 47 “moderate” air quality days have been recorded during this period.

However, record rains, persistent western disturbances and strong winds made this January the cleanest in Delhi since 2015, when the AQI was recorded and put in the public domain.

Delhi’s average AQI in January was 279, significantly lower than 324 in 2021. On two days, the air quality was ‘satisfactory’, which is unusual for this time of year.

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