2022 US Senate Election map is more Democratic friendly than the 2020 US Senate Election map.

2020- the most vulnerable Democratic held seat was AL(Jones-D)- AL is a solid R states, Jones-D narrowly got elected against a very weak and controversial GOP opponent. All of the other Democratic held US Senate seats up for re-election in 2020 are in the Likely or Safe D column.
Democrats are going to win 4 Republican held US Senate seats up for re-election in 2020.
CO(Gardner-R loses to Hickenlooper-D by a double digit margin.)
AZ special(McSally-R loses to Kelly-D by a high single digit margin.)
ME(Collins-R loses to Gideon-D by a narrow margin.)
NC(Tillis-R loses to Cunningham-D by a narrow margin.)
CO and ME are Lean/Likely Democratic states.
AZ and NC are Swing/Tossup states.
50D 50R with a Democratic POTUS/VP.
2022- the most vulnerable Democratic held US Senate seats-
AZ(Kelly-D) if Ducey-R decides to run and 2022 is a strong GOP wave election year.
NH(Hassan-D) if Sununu-R decides to run and 2022 is a strong GOP wave election year.
NV(Cortez Masto-D) if Sandoval-R decides to run and 2022 is a strong GOP wave election.
Democrats have a 50-50 and greater chance of holding onto those seats.
Democrats are strongly favored to hold onto-
CA(Harris-D)
CO(Bennet-D)
CT(Blumenthal-D)
HI(Schatz-D)
IL(Duckworth-D)
MD(Van Hollen-D)
NY(Schumer-D)
OR(Wyden-D)
VT(Leahy-D)
WA(Murray-D)
Republican held US Senate seats in 2022 that Democrats can win are-
FL(Rubio-R)
GA(Collins-R)
IA(OPEN Grassley-R)
NC(OPEN Burr-R)
PA(Toomey-R)
WI(OPEN Johnson-R)