General Authority for Civil Aviation and Meteorology Warned fellow citizens in the eastern provinces of North and the Nothern  areas with a heavy  flow of air laden with dust and  suspended  ones from the center and east of the Arabian Peninsula during the next 24 hours, with Allah Almighty.  The Center said that today that the air mass moving towards a number of eastern and northern provinces, particularly the northern districts in the provinces of Hadhramout and Al-mahra, as well as the provinces (Shabwa - Mareb - Al-jauf  and   Saada), is likely to  affected parts of the provinces of  (Imran - Mahwit - Sana'a - Dhamar -- Rayma - and Al- baidhaa).The Center called on citizens in those provinces and drivers to exercise caution over the very low horizontal visibility .. In this regard, indicating that the mass of heavy dust-laden air and the  dust itself,  will lead to a decrease in horizontal visibility to a distance of up to about 1 km.The Center also  warned  patinets with  chest poblems  such as asthma and shortness of breath ,  the elderly and the  children from direct exposure to the dust suspenstion  in the air because of the damage it may cause  to their health