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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% |