Air quality in three sites with high vehicular traffic in district one of the city of Managua
DOI:
https://doi.org/10.5377/elhigo.v11i1.11699Keywords:
Air quality, emissions, atmospheric pollutants, nitrogen dioxide, ozone, particulate matter less than or equal to ten microns (PM10)Abstract
This research was carried out with the objective of evaluating air quality with respect to three atmospheric pollutants, particulate matter less than or equal to 10 microns (PM10), nitrogen dioxide (NO2) and ozone (O3) in three sites with high vehicular traffic in district one of the city of Managua through measurement with automatic equipment that allows knowing the behavior of pollutants in real time. The monitoring was carried out between October 2017 to January 2018 with a frequency of two samplings per month. Based on the concentrations of atmospheric pollutants under study, it was determined that the concentrations of PM10, nitrogen dioxide (and ozone increase from October 2017 (rainy season) to January 2018 (dry season). PM10 and nitrogen dioxide concentrations do not exceed the maximum permissible limit established in NTON 05 012-02 during the four months of measurement, while ozone concentrations exceed the NTON regulations in November and December 2017 as well like January 2018.
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