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15km Mesh PM2.5 Index

GET
/api/v1/pm25

Forecast Japan

Access PM2.5 air quality index for specified latitude and longitude coordinates, calculated with 15km grid resolution. The specified latitude and longitude must be within Japan. The PM2.5 index includes hourly information for approximately 2 days.

Data Coverage

Land areas of Japan

パラメータ

クエリパラメータ

lat*

Latitude

number
必須
35.651377
formatfloat
lon*

Longitude

number
必須
140.041161
formatfloat

レスポンス

15km grid-based PM2.5 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",
"pm25": 0.3,
"pm25idx": 1
}
]
}
]
}

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