The National Center for Atmospheric Research (NCAR) has released its annual list of the most polluted states for the second year in a row.
Here are the top 10.
North Dakota 6.
North Carolina Source: NCAR website, Reuters data and data from Climate Central data provider.
Read more about air pollution:The worst-polluting states include:Arkansas, Oklahoma, Texas, Missouri, South Dakota, and West Virginia.
A similar list from the American Lung Association shows Tennessee and Louisiana at the top of the list.
It’s worth noting that the EPA classifies states based on the amount of air pollution they emit and not the amount emitted.
In 2017, Texas was the top polluter.
According to NCAR, that was the third-worst year for emissions.
North Texas is next, at the bottom of the table.
Here are the five states that are currently the worst polluters:Arkland, Kentucky, Kentucky 2, Alabama, Oklahoma 3, New Mexico, and Wyoming.