
Delhi's air quality was on the brink of the 'severe' category on Sunday with an overall AQI reading of 382 - the worst recorded in the country for the day.
Fifteen monitoring stations of the city recorded air quality levels in the 'severe' zone, having AQI readings over 400, data showed.
The city also recorded its lowest nighttime temperature so far, as thick smog and haze shrouded it in a dense cover during the morning and evening hours.
The minimum temperature recorded on Sunday was 16.5 degrees Celsius, 1.2 degrees above normal, according to the weather department.
The national capital's 24-hour average Air Quality Index (AQI), recorded at 4 pm every day, stood at 382, worsening from 316 the previous day.
The locations where air pollution levels reached the 'severe' zone are Anand Vihar, Ashok Vihar, Bawana, Dwarka, Jahangirpuri, Mundka, NSIT Dwarka, Najafgarh, Nehru Nagar, Okhla Phase 2, Patparganj, Punjabi Bagh, Rohini, Wazirpur and Vivek Vihar.
Despite the temporary relief provided by the winds, Delhi saw a spike in pollution levels following Diwali, with a noticeable jump recorded on Sunday.
Elsewhere in the country, several places recorded AQI levels in the 'very poor' category, though still better than the national capital. Bahadurpura, in Telangana, recorded an AQI of 335, Uttar Pradesh's Muzaffarnagar 302, Noida 313 and Haryana's Sonipat 321.
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', 401 and 450 'severe' and above 450 'severe plus'.
The maximum temperature was recorded at 33.2 degrees Celsius, 2.7 degrees above normal, according to the weather department.
The humidity level fluctuated between 64 and 95 per cent during the day.
The weather office forecast said shallow fog was likely on Monday morning, with maximum and minimum temperatures expected to settle at 34 and 17 degrees Celsius, respectively.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
Iran-Israel war: Health experts say exposure to such air can have both short- and long-term consequences.
With the maximum temperature settling at 21.7 degrees Celsius at Safdarjung, 9.6 degrees below normal, Delhi logged its coldest March day since March 8, 2020, when the mercury had dropped to 21.2 degrees Celsius.
The AIIMS-Delhi is set to conduct the AIRCARE study, which plans to study the correlation between particulate matter and how it is causing lung cancer.
Extreme heat can affect how the body regulates temperature, fluids and circulation, making pregnant women more vulnerable to heat-related illnesses.
People in war zones, where they are already under stress, can reduce their health risks by staying indoors in the days after military attacks, if possible. Keeping windows and doors closed can help reduce the amount of polluted ambient air
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