Jan Chwedeńczuk
-
University Professor
Faculty of Physics
Warsaw University
CO2 level for October
424.87 ppm
422.28 ppm
CH4 level for July
1927.61 ppb
1920.39 ppb
Earth System Research Laboratory
Global Monitoring Division (NOAA)
retrieved on November 21, 2025 from::
NOAA National Centers for Environmental Information
State of the Climate: Global Climate Report for October 2025
published online November 2025
Contact
- jan.chwedenczuk()fuw.edu.pl
- +48 22 55 32 808
room: 4.08 - Address:
ul. Pasteura 5
PL-02-093, Warsaw
Poland