Black soot which covered Port Harcourt atmosphere last year and early this year is back again! If you live in Port Harcourt, wipe your nose with white handkerchief and see. Try cleaning the floor or wipe WC surfaces. There have been an increase in the number people coming down with Airway hyper reactivity in Port Harcourt according to people. More people than usual are coming down with asthma symptoms in Port Harcourt.