New Delhi: Delhi on Monday (February 13) logged a 24-hour average AQI of 135, the lowest since October 13 last year, owing to chilly winds that swept through the city dispersing the pollutants. The cold northwesterly winds — blowing up to a speed of 48 kmph — from the mountainous regions led to a drop in temperatures. The city recorded a high of 23.2 degrees Celsius, normal for this time of the year and a minimum temperature of 8.7 degrees Celsius, two notches below the season’s average. Humidity level during the day oscillated between 25 per cent and 62 per cent.
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The weather department has forecast a mainly clear sky with strong surface winds and occasional gusty winds for Tuesday. The maximum and minimum temperatures are likely to settle around 26 degrees Celsius and 12 degrees Celsius respectively on Tuesday.
An AQI between zero and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, 301 and 400 very poor, and 401 and 500 severe.
According to the Ministry of Earth Sciences’ air quality monitor SAFAR, the air quality in the city over the next three days is likely to see improvement.
“Air quality is likely to improve but will remain within ‘moderate’ or ‘lower end of poor’ for the next three days due to enhanced dispersion by strong surface wind speed.
“Upper level winds (around 800 m) are blowing from northwest direction and likely to remain relatively high for next three days that helps dilution of pollution. From February 16 onwards, surface winds are likely to be calm and will weaken dispersion and deteriorate air quality,” it said.
The air quality is likely to deteriorate and reach the upper end of the moderate category on February 15 and enter the poor category on February 16, it added.
Also Read: Air Pollution: How Effective Has National Clean Air Programme Been In Improving Air Quality?
(This story has not been edited by NDTV staff and is published from a syndicated feed.)
NDTV – Dettol have been working towards a clean and healthy India since 2014 via the Banega Swachh India initiative, which is helmed by Campaign Ambassador Amitabh Bachchan. The campaign aims to highlight the inter-dependency of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind. It stresses on the need to take care of, and consider, everyone’s health in India – especially vulnerable communities – the LGBTQ population, indigenous people, India’s different tribes, ethnic and linguistic minorities, people with disabilities, migrants, geographically remote populations, gender and sexual minorities. In wake of the current COVID-19 pandemic, the need for WASH (Water, Sanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign will continue to raise awareness on the same along with focussing on the importance of nutrition and healthcare for women and children, fight malnutrition, mental wellbeing, self care, science and health, adolescent health & gender awareness. Along with the health of people, the campaign has realised the need to also take care of the health of the eco-system. Our environment is fragile due to human activity, which is not only over-exploiting available resources, but also generating immense pollution as a result of using and extracting those resources. The imbalance has also led to immense biodiversity loss that has caused one of the biggest threats to human survival – climate change. It has now been described as a “code red for humanity.” The campaign will continue to cover issues like air pollution, waste management, plastic ban, manual scavenging and sanitation workers and menstrual hygiene. Banega Swasth India will also be taking forward the dream of Swasth Bharat, the campaign feels that only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and the country can become a Swasth or healthy India.