Real-Time Data

This page provides the most up-to-date real-time data related to the global environment and climate change mainly obtained by the Center for Global Environmental Research (CGER), Earth System Division (ESD), National Institute for Environmental Studies (NIES).
The values provided here are real-time data and might be corrected later.
Please use the definitive values for scientific use.
CO2 Trend at Hateruma

Greenhouse gas / air pollutant trends on Hateruma Island

Provides the most up-to-date concentrations and increases of greenhouse gases and air pollutants observed on Hateruma Island (Okinawa).
CO2 Trend at Ochiishi

Greenhouse gas / air pollutant trends at Cape Ochiishi

Provides the most up-to-date concentrations and increases of greenhouse gases and air pollutants observed at Cape Ochiishi (Hokkaido).
PM2.5 Trend at JPN Embassy in New Delhi

PM2.5 Trend at JPN Embassy in India (New Delhi)

Provides the most up-to-date concentrations and increases of PM2.5 and Ozone observed on Japan Embassy in India (New Delhi).
Vitamin D Synthesis / Erythemal UV

Information on Vitamin D Synthesis / Erythemal UV

Provides near real-time information on erythemal UV-B radiation and Vitamin-D synthesis UV-B radiation observed by a network of UV monitoring stations.
Polar Vortex Forecasts

Polar Vortex Forecasts

Provides a forecast system for polar vortex in the stratosphere based on meteorological prediction data provided by the US National Center for Environmental Prediction (NCEP).
Monitoring of Global Warming Effects (Alpine Zone-Central Japan, Hokkaido)

Monitoring of Global Warming Effects (Alpine Zone - Central Japan, Hokkaido)

Monitoring of the snow cover period and the phenology of the alpine plants in the Japanese alpine zone by using digital repeat photography (in Japanese).