Dust Fall Monitoring In University of Ibadan, University of Ilorin and Kwara State University Motor Parks, Nigeria

The study was carried out for five months from November, 2014 to April, 2015 during which dust fall (particulate matter) was monitored in University of Ilorin, University of Ibadan and Kwara State University motor parks. Dust fall monitoring was carried out using Single open bucket sampler based on American Standard Test Method (ASTM D1739). The average dust fall depositions were found to be 1122.15 ± 50, 627.648 ± 34, and 316.322 ± 16 mgm-2day-1 for University of Ilorin (Un), Kwara State University (Kw) and University of Ibadan (UI) sites respectively. It was observed that unpaved surface and number of moving vehicles were the main factors for increased or decreased in dust fall concentrations. There was correlation between some meteorological parameters (rain fall, wind speed, temperature and relative humidity) and dust fall depending on the site.