The following list shows all countries for which pollen information is available. It lists which plant types and plant species are available for each country.
| Country Code | Country Name | Supported Types | Supported Plants |
|---|---|---|---|
| al | Albania | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ad | Andorra | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ar | Argentina | grass | grasses |
| am | Armenia | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| au | Australia | trees, grass | grasses, Cypress pine |
| at | Austria | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| by | Belarus | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| be | Belgium | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ba | Bosnia & Herzegovina | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| br | Brazil | grass | grasses |
| bg | Bulgaria | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ca | Canada | grass, weeds | grasses, ragweed, elm, oak, alder, pine, cottonwood, birch, ash, maple |
| cl | Chile | grass | grasses |
| cn | China | grass | grasses |
| hr | Croatia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| cy | Cyprus | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| cz | Czechia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| dk | Denmark | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| eg | Egypt | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| ee | Estonia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| et | Ethiopia | grass | grasses |
| fi | Finland | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| fr | France | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ge | Georgia | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| de | Germany | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| gi | Gibraltar | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| gr | Greece | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| hk | Hong Kong | grass | grasses |
| hu | Hungary | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ie | Ireland | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| il | Israel | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| it | Italy | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| jp | Japan | grass | grasses |
| jo | Jordan | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| kr | South Korea | grass | grasses |
| lv | Latvia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| li | Liechtenstein | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| lt | Lithuania | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| lu | Luxembourg | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| mt | Malta | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| mx | Mexico | grass | grasses |
| md | Moldova | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| mn | Mongolia | grass | grasses |
| me | Montenegro | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| np | Nepal | grass | grasses |
| nl | Netherlands | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| nz | New Zealand | grass | grasses |
| mk | North Macedonia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| no | Norway | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| pk | Pakistan | grass | grasses |
| pl | Poland | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| pt | Portugal | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ro | Romania | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ru | Russia | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| sa | Saudi Arabia | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| rs | Serbia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| sk | Slovakia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| si | Slovenia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| za | South Africa | grass | grasses |
| es | Spain | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| se | Sweden | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ch | Switzerland | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| tr | Turkey | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| ua | Ukraine | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| gb | United Kingdom | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| us | United States | trees, grass, weeds | maple, elm, cottonwood, alder, birch, ash, pine, oak, juniper, grasses, ragweed |