1km Mesh UV Index
GET
/api/v1/uv
Forecast Japan
Access UV index for specified latitude and longitude coordinates, calculated with 1km grid resolution. The specified latitude and longitude must be within Japan. The UV index includes hourly information for 72 hours. The UV index is provided year-round (recommended period: early May to late August).
Index Codes
| Code | Description |
|---|---|
| 0 | - |
| 1 | Weak |
| 2 | Weak |
| 3 | Moderate |
| 4 | Moderate |
| 5 | Moderate |
| 6 | Strong |
| 7 | Strong |
| 8 | Very Strong |
| 9 | Very Strong |
| 10 | Very Strong |
| 11 | Extremely Strong |
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 UV 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",
"uv": 4,
"uvidx": 1
}
]
}
]
}