Pollutant Emissions 100% open

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? Yes(Here)
•   Is the data available for free? Yes
•   Is the data machine readable? Yes (CSV)
•   Available in bulk? Yes
•   Is the data provided on a timely and up to date basis? Yes
•   Publicly available? Yes(as airdata published by US Environmental Protection Agency (EPA))
•   Is data in digital form? Yes
•   Is the data available online? Yes (Here)
•   Does the data exist? Yes

Details

Another site of the epa only for pm vale http://www3.epa.gov/airtrends/pm.html i didnt see VOCs measurement but i think it shold be in NATTS (National Air Toxics Trends Stations) that dont look to work in this time

On open licenses: https://wiki.creativecommons.org/wiki/Government_use_of_Creative_Commons#Federal Note: "Works by the US federal government are automatically part of the public domain in the US"

Reviewer comments

Another site of the epa only for pm vale http://www3.epa.gov/airtrends/pm.html i didnt see VOCs measurement but i think it shold be in NATTS (National Air Toxics Trends Stations) that dont look to work in this time