[Judith Anne]

Show me where it is above 1000 ppm. Thank you.

It's IN THE ARTICLE. Don't post to me anymore, for the second time.

[WildTurkey]

It's IN THE ARTICLE. Don't post to me anymore, for the second time.

Also in your article is that the high concentrations usually were for short flights and during ascent/descent on longer flights where the CO2 concentration was in the 500 to 800 ppm for most of the flight.