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Pollen Counts Data

GET
/opendata/v1/pollen

Open Data Japan Current

Provide pollen count data observed and analyzed by the "Pollen Robo," a pollen monitoring device developed exclusively by Weathernews.

This data is available for free download, and the resulting materials may be publicly displayed or broadcast. When publishing such materials, please clearly indicate that the data was observed by Weathernews' Pollen Robo. No prior notification is required for publication.

Please contact us if you are considering using this data for profit or commercial purposes, or if you plan to publish the results online.

To ensure stable service operation, we may restrict access if we detect excessive API usage.

We cannot be held responsible for any damages arising from activities based on this data.

About Pollen Counts Data (Service Site)

Parameters

Query Parameters

citycode*

Identification code for cities in Japan

Typestring
Required
Example13103
pattern^\d{5}$
start*

Start Date

Typestring
Required
Example20250201
pattern^\d{8}$
end*

End Date (observation period within 31 days)

Typestring
Required
Example20250214
pattern^\d{8}$

Responses

Pollen Counts Data (CSV)
text/csv
CSV

Playground

Variables
Key
Value

Samples

cURL
JavaScript
PHP
Python

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