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Temporal variations of ambient air pollutants and meteorological influences on their concentrations in Tehran during 2012-2017.


ABSTRACT: We investigated temporal variations of ambient air pollutants and the influences of meteorological parameters on their concentrations using a robust method; convergent cross mapping; in Tehran (2012-2017). Tehran citizens were consistently exposed to annual PM2.5, PM10 and NO2 approximately 3.0-4.5, 3.5-4.5 and 1.5-2.5 times higher than the World Health Organization air quality guideline levels during the period. Except for O3, all air pollutants demonstrated the lowest and highest concentrations in summertime and wintertime, respectively. The highest O3 concentrations were found on weekend (weekend effect), whereas other ambient air pollutants had statistically significant (P?

SUBMITTER: Yousefian F 

PROVIDER: S-EPMC6962207 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Temporal variations of ambient air pollutants and meteorological influences on their concentrations in Tehran during 2012-2017.

Yousefian Fatemeh F   Faridi Sasan S   Azimi Faramarz F   Aghaei Mina M   Shamsipour Mansour M   Yaghmaeian Kamyar K   Hassanvand Mohammad Sadegh MS  

Scientific reports 20200115 1


We investigated temporal variations of ambient air pollutants and the influences of meteorological parameters on their concentrations using a robust method; convergent cross mapping; in Tehran (2012-2017). Tehran citizens were consistently exposed to annual PM<sub>2.5</sub>, PM<sub>10</sub> and NO<sub>2</sub> approximately 3.0-4.5, 3.5-4.5 and 1.5-2.5 times higher than the World Health Organization air quality guideline levels during the period. Except for O<sub>3</sub>, all air pollutants demon  ...[more]

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