Alphabetical Listing

Largest Cities

City Country Regional warming since
1960 (°C / century)
OaklandUnited States1.55 ± 0.18
OaxacaMexico1.04 ± 0.33
OberhausenGermany2.83 ± 0.22
ObihiroJapan1.61 ± 0.32
ObninskRussia3.47 ± 0.25
ObosiNigeria1.56 ± 0.45
ObregonMexico1.91 ± 0.31
ObuasiGhana1.73 ± 0.37
OceansideUnited States2.08 ± 0.28
Ocumare del TuyVenezuela1.44 ± 0.37
OdawaraJapan1.63 ± 0.29
OdenseDenmark2.86 ± 0.21
OdesaUkraine2.12 ± 0.25
OdintsovoRussia3.47 ± 0.25
OffaNigeria1.86 ± 0.42
OffenbachGermany2.77 ± 0.20
OgakiJapan1.62 ± 0.21
OgbomoshoNigeria1.86 ± 0.42
OkaraPakistan2.49 ± 0.33
OkazakiJapan1.62 ± 0.21
Oklahoma CityUnited States1.89 ± 0.10
OkrikaNigeria1.48 ± 0.41
OktyabrskiyRussia3.16 ± 0.27
OlatheUnited States2.02 ± 0.25
OldenburgGermany2.86 ± 0.20
OldhamUnited Kingdom2.55 ± 0.24
OlindaBrazil2.05 ± 0.74
OlomoucCzech Republic2.68 ± 0.30
OlongapoPhilippines0.91 ± 0.29
OlsztynPoland2.88 ± 0.31
OmahaUnited States2.14 ± 0.12
OmeJapan1.63 ± 0.29
OmskRussia2.64 ± 0.35
OmutaJapan1.94 ± 0.25
OndoNigeria1.74 ± 0.46
OngoleIndia1.24 ± 0.40
OnitshaNigeria1.56 ± 0.45
OntarioUnited States2.04 ± 0.18
OpoboNigeria1.48 ± 0.41
OpoboNigeria1.48 ± 0.41
OpolePoland2.66 ± 0.31
OradeaRomania2.29 ± 0.25
OraiIndia1.58 ± 0.29
OrangeUnited States2.08 ± 0.28
OrduTurkey1.08 ± 0.30
Orekhovo-ZuevoRussia3.44 ± 0.33
OrëlRussia3.37 ± 0.28
OrizabaMexico1.05 ± 0.28
OrkneySouth Africa1.26 ± 0.40
OrlandoUnited States1.81 ± 0.30
OrléansFrance2.76 ± 0.21
OronNigeria1.55 ± 0.44
OrshaBelarus3.33 ± 0.28
OrskRussia2.64 ± 0.51
OrumiyehIran2.48 ± 0.29
OruroBolivia0.64 ± 0.31
OsascoBrazil1.89 ± 0.53
OshawaCanada3.06 ± 0.14
OshogboNigeria1.74 ± 0.46
ÖskemenKazakhstan2.43 ± 0.38
OsloNorway2.97 ± 0.32
OsmaniyeTurkey1.36 ± 0.41
OsnabrückGermany2.86 ± 0.20
OsornoChile0.85 ± 0.44
OstravaCzech Republic2.66 ± 0.31
OtaJapan1.63 ± 0.29
OtaruJapan1.58 ± 0.27
OttawaCanada3.17 ± 0.21
OtukpoNigeria1.70 ± 0.48
OuagadougouBurkina Faso1.81 ± 0.35
OuluFinland3.07 ± 0.30
Overland ParkUnited States2.21 ± 0.23
OviedoSpain2.46 ± 0.30
OwerriNigeria1.56 ± 0.45
OwoNigeria1.73 ± 0.45
OxfordUnited Kingdom2.66 ± 0.23
OxnardUnited States2.01 ± 0.29
OyamaJapan1.63 ± 0.29
OyoNigeria1.74 ± 0.46