The temporal and spatial evolution of air pollutants in Tunisia for May 2022:

pollution at

The temporal and spatial evolution of air pollutants in Tunisia for May 2022:

The monthly means of environmental pollutants at ground level, collected daily from the Sentinel-5P satellite from 00h and 12h UT, showed an increase in Sulfur dioxide (SO2) and Nitrogen dioxide (NO2) of 9% and 30% respectively at night and 14% and 4% respectively for Sulfur dioxide (SO2) and Ozone (O3) at day for May by comparing them with the previous month. A slight decrease characterizes the Ozone (O3) and Carbon monoxide (CO) at night by 4% and 1% respectively and Nitrogen dioxide (NO2) and Carbon monoxide (CO) with 2% and 4% respectively at day for May compared to the previous month. The pollutants concentration being mainly linked to many environmental and meteorological factors where the general atmospheric circulation affects directly this concentration.

ACTUALITÉS

ramadan crescent visibility 1444 hijri
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Lunar crescent visibility of  Ramadan 1444 Hijri

 

The Conjonction :

The geocentric conjunction between the Moon and the sun will be at the end of the lunar month on Tuesday  Ma… View
Total rainfall amounts _ January 2023 (mm)
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       During the month of January 2023, most parts of the Tunisia experienced a rise in temperature until the 17th of the month and this is an extension of the weather conditions… View
Geographical distribution of the seasonal total amounts of precipitation (in millimeters)  during autumn of 2022
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The autumn of 2022 was marked by a noticeable increase in temperature in most regions of the Tunisia, where the general average (27 main stations) for the average temperature reach… View
 Cumul pluviométrique aux stations principales_Decembre 2022
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December 2022 was marked by a remarkable and exceptional rise in temperature in most regions. The average temperature exceeded the benchmark by +3.4 degrees, making December this y… View