Assessment of ambient air quality of Lucknow city during post-monsoon, 2017

This study was carried out during the month of September-October, 2017 (Diwali period not considered) to investigate the status of air quality by monitoring and assessment of some selected air pollutants namely Respirable Particulate Matter (RSPM or PM10), Fine Particulate Matter (PM2.5), Sulphur dioxide (SO2), Nitrogen dioxide (NO2) and noise level at 9 representative locations, categorized as residential (four), commercial (four) and industrial (one) areas in Lucknow city. The results revealed the 24 hours concentration of PM10 to be in the range of 99.5 to 358.4 μg/m3 with an average of 196.6 μg/m3, whereas 24 hours PM2.5 level were found to be in the range 50.5 to 166.4 μg/m3 with an average of 101.5 μg/m3. The average values of PM10 and PM2.5, irrespective of the locations were found to be above the permissible limit (PM10 =100 and PM2.5 = 60 μg/m3) prescribed by MoEF.