What data is expected?
Aggregate data about the emission of air pollutants especially those potentially harmful to human health (although it is not a requirement to include information on greenhouse gas emissions). Aggregate means national-level or available for at least three major cities. In order to satisfy the minimum requirements for this category, data must be available for the following pollutants and meet the following minimum criteria:
- Particulate matter (PM) Levels
- Sulphur oxides (SOx)
- Nitrogen oxides (NOx)
- Volatile organic compounds (VOCs)
- Carbon monoxide (CO)
- Updated on at least once a week.
- Measured either at a national level by regions or at leasts in 3 big cities.
What data is available
- Openly licensed? No (No URL given)
- Is the data available for free? Yes
- Is the data machine readable? No (n/a)
- Available in bulk? Yes
- Is the data provided on a timely and up to date basis? Yes
- Publicly available? Yes(as Atmospheric Environmental Regional Observation System published by National Institute for Environmental Studies (of Japan))
- Is data in digital form? Yes
- Is the data available online? Yes (Here)
- Does the data exist? Yes
As stated in http://www.nies.go.jp/igreen/index.html, re-distribution and modification are not allowed.
data from year 1981 -2012 is Available in bulk to download from http://www.nies.go.jp/igreen/index.html
how to use the Atmospheric Environmental Regional Observation System in can be see in this link http://soramame.taiki.go.jp/dss/kosa/en/document/3how%20to%20see%20PM%20map.pdf
checked it seem japean use to measure VOCs by NMHC vale or THC vale
- yar michl
- Satoshi IIDA