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Seasonal Allergens
Seasonal Allergens
Region |
Season |
Plants |
Severity |
Pollen Diameter |
Filter Efficiency |
---|---|---|---|---|---|
North America |
July-Nov |
Ragweed/plantain |
Severe |
20-37µm |
99% |
Apr-Aug |
Timothy/Orchard/Bermuda/Blue |
Moderate |
22-45µm |
99% |
|
Feb-May |
Oak/Elm/Cedar/Birch |
Moderate |
20-60µm |
100% |
|
Europe |
Jan-Apr |
Birch/Cypress |
Severe |
20-60µm |
100% |
Apr-Sep |
Orchard/Timothy/Rye/Blue |
Severe |
22-122µm |
99% |
|
Apr-Aug |
Sycamore/Olive |
Moderate |
18-25µm |
97% |
|
Australia |
Oct-June |
Rye/Bermuda/Blue |
Severe |
22-45µm |
99% |
Oct-Apr |
Wattle/Ti-tree/Birch |
Moderate |
20-60µm |
100% |
|
Japan |
Jan-May |
Japanese-Cedar/Cypress |
Severe |
25-36µm |
100% |
China |
July-Nov |
Wormwood/Japan Hop/Ragweed |
Severe |
20-37µm |
99% |