Trend Analysis of Particulate Matters Over Kathmandu Valley, 2020

Suresh Prasad Gupta; Sushil Poudel's; Prakash Man Shrestha; Binod Adhikari

doi:10.56557/jogee/2023/v17i28115

Trend Analysis of Particulate Matters Over Kathmandu Valley, 2020

Suresh Prasad Gupta

Sushil Poudel's

Prakash Man Shrestha

Binod Adhikari

Journal of Global Ecology and Environment, Page 1-12
DOI: 10.56557/jogee/2023/v17i28115
Published: 28 February 2023

Abstract

Air pollution has been a major problem of 21st century both for developed and developing countries. It has negative impact on various environmental aspects which directly or indirectly affect the quality of human health. This study analyzed daily and monthly variation of Particulate matter; PM2.5 and PM10 in air pollution at four different locations Sankhapark, Bhaktapur, Ratnapark, and Bhaisipati of Kathmandu Valley in year 2020. The data calculated has been compared to the data of United State Environmental Protection Agency (US EPA) standard. The results shows that the PM₁₀ and PM_2.5varies in between Good to Unhealthy zone. Because of lockdown due to COVID-19 (From 24 March), pollution in Kathmandu decreased to minimum values being in Good zone and started to move towards moderate and USG –Category after lockdown is over. The Air quality Index lies in Good range from April to August. Values of AQI (PM2.5) and AQI(PM10) are well correlated and nature of variation of PM2.5 and PM10 are nearly same but magnitudes are changing in corresponding month of year 2020.

Keywords:

Particulate matters
air quality index
daily and monthly average values
human health

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How to Cite

Gupta, S. P., Poudel’s, S., Shrestha, P. M., & Adhikari, B. (2023). Trend Analysis of Particulate Matters Over Kathmandu Valley, 2020. Journal of Global Ecology and Environment, 17(2), 1-12. https://doi.org/10.56557/jogee/2023/v17i28115

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