JMA's Aerological Observatory

News Releases

The open day is scheduled for July 31. (MRI Website; in Japanese) (2025年6月26日)
The address of our website has changed, please update your bookmark
https://www.data.jma.go.jp/kousou/index-e.html

Information

Publications

About Us (Guidance)

Observation(Surface/Aerological, Ozone/Radiation)

Surface weather observation
Surface temperature, humidity, wind, rain, pressure, snow and visibility.

Outline of surface weather observation
Table of hourly weather observation (JMA Website)

Aerological observation
Atmospheric temperature, humidity and wind, ozonesonde and specal sondes.

Observation(

Ozone and spectral UV Observation
Atmospheric ozone and spectral UV.

Ozone Observation
Spectral UV Observation
Brewer Spectrophotometers
Brewer Spectrophotometer Calibration and Observation Data
Total Ozone Observation
Umkehr Observation
Dobson Spectrophotometers
Dobson Spectrophotometer Measurement Principle and Automation System
Observation Data Archive: Hourly UV Index (JMA website; in Japanese)
Near Real-Time UV Index Estimation (JMA website)
Ozone Layer and Ultraviolet Radiation (JMA website)

Solar and Infrared Radiation Observation
Solar and Infrared Radiation, Optical Depth and Aerosol Optical Depth.