The air quality in Delhi is feared to deteriorate further with warning systems forecasting AQI in "severe" category on Tuesday. As per the Central Pollution Control Board, an overall AQI of 309 was recorded in Delhi at 4pm.
A thick layer of haze enveloped the national capital on Monday, and AQI close to 400 was recorded at many monitoring stations in Delhi. According to CPCB's Sameer app, AQI of 400 was recorded in Burari and 390 in Wazirpur. According to the Sameer app, AQI above 300 was recorded in 23 monitoring stations in the national capital.
According to the Air Quality Early Warning System (AQEWS) for Delhi, the air quality is likely to remain in the "severe" category on Tuesday. According to AQEWS, the wind speed dropped below 8 km/h from the northwest direction during the evening and night hours, reducing the dispersion of pollutants. A ventilation index lower than 6,000 m/s and wind speeds less than 10 km/h are unfavourable for pollutant dispersal.
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According to the CPCB, PM2.5 concentration stood at 155 micrograms per cubic metre and PM10 at 278. PM2.5 refers to fine inhalable particles with diameters that are 2.5 micrometres or smaller, while PM10 includes slightly larger particles up to 10 micrometres in diameter.
According to CPCB, such a concentration of pollutants can cause breathing discomfort, especially among people with lung or heart diseases, children, and the elderly.
