Question raised in Rajya Sabha on Economic loss due to air pollution, 25/11/2019
Question raised in Rajya Sabha on Economic loss due to air pollution, 25/11/2019. As per CAAQMS data, 24-hourly average for PM2.5 concentration ranged between 109-486 µg/m3 in the first week of November. High concentrations of PM2.5 were observed in Delhi NCR during the first week of November due to adverse meteorological conditions like lower mixing height, low wind speed, high relative humidity etc, local sources of emissions like industrial emissions, vehicular emissions, road and soil dust, construction and demolition activities etc coupled with contribution from stubble burning in Northern States of India.