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13 February 2018


The rain during this sampling week affected the bioaerosols by sharply increasing the concentrations of fungal spores and pollen in the atmosphere. Significant Alternaria concentrations were seen and Epicoccum, Rusts ascospores and Cladopsorium concentrations increased. Moderate concentrations were consistently seen for Chenopod, or goosefoot weed.


Fungal spore levels will probably remain high following yesterday’s thunderstorm. Weed pollen will increase as autumn approaches.