Lavanyaa, VP and Harshitha, KM and Beig, Gufran and Srikanth, R (2023) Background and baseline levels of PM2.5 and PM10 pollution in major cities of peninsular India. Urban Climate, 48 (101407).
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| Abstract: | The pandemic-induced lockdown resulted in negligible anthropogenic emissions of particulate pollutants and provided an opportunity to estimate the baseline levels (to which people are chronically exposed) and the background levels (when internal emissions are negligible but external intrusions are ongoing). We report the baseline and background PM2.5 and PM10 levels in five major cities of peninsular India and compare them with the corresponding levels estimated for other parts of India. The baseline levels of PM2.5 and PM10 in these cities are estimated to be in the range of 5–15 μg/m3 and 15–43 μg/m3, respectively, whereas their background levels are 18–37 μg/m3 and 46–70 μg/m3, respectively. Although the ambient PM10 levels in Hyderabad and Vishakhapatnam are significantly lesser than in Delhi, the baseline levels in these cities are higher than in Delhi. In general, the baseline levels in Indian cities are higher than the WHO air quality guidelines. Human susceptibility to air pollution may vary based on age distribution, nutritional intake, access to health care, meteorological conditions, and any natural immunity. Therefore, this study will be useful to epidemiologists and policymakers to develop effective risk management policies and refine the national air quality standards. |
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| Item Type: | Journal Paper |
| Keywords: | Air quality standards, Epidemiology, Human susceptibility, Risk management, WHO guidelines |
| Subjects: | School of Natural and Engineering Sciences > Energy and Environment Modeling School of Natural and Engineering Sciences > Energy School of Natural and Engineering Sciences > Energy and Environment |
| Divisions: | Schools > Natural Sciences and Engineering |
| Date Deposited: | 20 Mar 2023 10:24 |
| Last Modified: | 20 Mar 2023 10:24 |
| Official URL: | https://www.sciencedirect.com/science/article/abs/... |
| Related URLs: | |
| Funders: | * |
| Projects: | * |
| DOI: | https://doi.org/10.1016/j.uclim.2023.101407 |
| URI: | http://eprints.nias.res.in/id/eprint/2444 |
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