Delhi-NCR wakes up in fog, very poor AQI

New Delhi, Nov 29, : .Delhi-NCR woke to a foggy Monday morning.

The minimum temperature was 10 degrees celsius, and the overall Air Quality Index (AQI of 370).This index is likely to worsen as wind speed changes occurIndia Meteorological Department (IMD), has set the maximum temperature at 27° Celsius.

Throughout the week, temperatures hovered between 27 and 10 degrees celsius with foggy mornings.At 8.30 a.m., the relative humidity was at 97%.Sundays relative humidity was 79% at 7.30 p.m.An AQI of between zero and 50 and considered good, 51 to 100satisfactory, 101 and 200 satisfactory, 101 to 200satisfactory, 201 and 300?poor, 301 to 400very poor and 301 and 400 ’very poor.Then 401 and 500 are considered asevere.According to the System of Air Quality and Weather Forecasting And Research, PM2.5 and PM10 are in thevery bad category of the citys indoor air.They have 211 and 353, respectively.According to SAFAR estimates, local surface winds are expected to increase moderately between November 29 and 30, which increases dispersion, leading to slight improvement in AQI.Wind speed and temperature will likely decrease starting December 1, resulting in a slight decrease in ventilation, which could lead to slight deterioration in air quality.Low mixing layer height prevents efficient dispersion.The percentage of PM2.5-related pollutants from stubble burning in Delhi is 3 percent.rdk/dp #DelhiNCR #poor #Delhi.

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