AI-generated Key Takeaways
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This page provides a comprehensive list of countries with available pollen information.
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The list specifies which plant types (trees, grasses, weeds) and specific plant species are monitored for pollen in each country.
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Pollen data is available for a variety of regions, including North America, South America, Europe, Asia, Africa, and Australia.
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While many countries track pollen from trees, grasses, and weeds, some focus solely on grass or grass and trees.
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Common plants monitored for pollen include hazel, alder, ash, birch, cottonwood, oak, olive, pine, grasses, ragweed, and mugwort, among others, with specific plants varying by region.
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, trees | grasses, Japanese cedar, Japanese cypress |
| 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 |