SEASONAL PREVALENCE OF AIR-BORNE POLLEN AND SPORES IN KUALA-LUMPUR, MALAYSIA

Aerosampling using Rotorod samplers was conducted in the Institute for Medical Research, Kuala Lumpur, Malaysia, from December 1991 to Novem ber 1993, Samples were collected twice a week between 10.00 hours to 1 2.00 hours, Rods were stained and examined microscopically. A total of 8 and 20 types of pollens and mold spores were collected, respectivel y, More mold spores were collected than pollens, Grass pollen constitu ted more than 40 percent of total pollen counts. Gramineae pollen coun ts peaked in March and September, The most abundant mold spore was Cla dosporium followed by Rust, Nigrospora, Curvularia and Smut, Cladospor ium counts peaked in February and August, Rust counts peaked in June a nd December whereas counts for Nigrospora peaked in February and Octob er, Highest counts of Smut were recorded in March and October. Curvula ria counts peaked in January, June acid September.