Jan Chwedeńczuk
-
University Professor
Faculty of Physics
Warsaw University
CO2 level for November
426.46 ppm
423.85 ppm
CH4 level for August
1930.95 ppb
1924.87 ppb
Earth System Research Laboratory
Global Monitoring Division (NOAA)
retrieved on December 12, 2025 from::
NOAA National Centers for Environmental Information
State of the Climate: Global Climate Report for November 2025
published online December 2025
Contact
- jan.chwedenczuk()fuw.edu.pl
- +48 22 55 32 808
room: 4.08 - Address:
ul. Pasteura 5
PL-02-093, Warsaw
Poland