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.
| Region code | Country/Region | Supported Types | Supported Plants |
|---|---|---|---|
| AD | Andorra | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| AL | Albania | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| AM | Armenia | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| AR | Argentina | grass | grasses |
| AT | Austria | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| AU | Australia | trees, grass | grasses, Cypress pine |
| BA | Bosnia & Herzegovina | 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 |
| BG | Bulgaria | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| BR | Brazil | grass | grasses |
| BY | Belarus | 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 |
| CH | Switzerland | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| CL | Chile | grass | grasses |
| CN | China | grass | grasses |
| 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 |
| DE | Germany | 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 |
| EE | Estonia | 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 |
| ES | Spain | 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 |
| GB | United Kingdom | 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 |
| 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 |
| HR | Croatia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| 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 |
| JO | Jordan | trees, grass, weeds | birch, olive, grasses, ragweed, alder, mugwort |
| JP | Japan | grass | grasses |
| KR | South Korea | grass | grasses |
| 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 |
| LV | Latvia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| MD | Moldova | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| ME | Montenegro | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| MK | North Macedonia | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| MN | Mongolia | grass | grasses |
| MT | Malta | trees, grass, weeds | hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, mugwort |
| MX | Mexico | grass | grasses |
| NL | Netherlands | 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 |
| NP | Nepal | grass | grasses |
| NZ | New Zealand | grass | grasses |
| 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 |
| RS | Serbia | 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 |
| SE | Sweden | 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 |
| SK | Slovakia | 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 |
| US | United States | trees, grass, weeds | maple, elm, cottonwood, alder, birch, ash, pine, oak, juniper, grasses, ragweed |
| ZA | South Africa | grass | grasses |