1km Mesh Pollen Index
GET
/api/v1/pollen
Forecast Japan
Access pollen index for specified latitude and longitude coordinates, calculated with 1km grid resolution. The specified latitude and longitude must be within Japan. The pollen index includes hourly information for 48 hours.
The pollen index is provided from February to mid-May.
This pollen index targets cedar and cypress pollen.
Index Codes
| Code | Description |
|---|---|
| 1 | Low |
| 2 | Moderate |
| 3 | High |
| 4 | Very High |
Data Coverage
Land areas of Japan
パラメータ
クエリパラメータ
lat*
Latitude
型number
必須例
35.651377format
floatlon*
Longitude
型number
必須例
140.041161format
floatレスポンス
1km grid-based pollen index data
application/json
JSON
{
"requestId": "3909775c-5d0f-4e96-8e4f-7d3f263e2056",
"wxdata": [
{
"lat": 35.651377,
"lon": 140.041161,
"data": [
{
"date": "2025-04-09T10:00:00+09:00",
"pollen": 4,
"pollenidx": 1
}
]
}
]
}