The results showed that the surface O3 linearly proportional with surface O3 radiative forcingwhich mean if the radiative forcing measured increase, there will be increase in temperatureat Bukit Kototabang. The radiative forcing surface O3 calculated are 0,93 Wm-2 for 2009,0,90 Wm-2 for 2010, 1,05 Wm-2 for 2011, and 1,03 Wm-2 for 2012. The temperature differencebased on IPCC method are 0,40 K to 0,60 K from 2009 to 2012, while temperature differencemeasured by instrumen AWS (Automatic Weather Station) are 0,1 0C to 2,4 0C. Thetemperature difference measured by AWS that is influenced by radiative forcing surface O3was analyzed using IBM SPSS Statistics software and coefficient 0,031 is obtained whichshows a low correlation about 3,1% at Bukit Kototabang. The results shows that there aresome factors that influece the surface O3 concentration toward earth surface temperature.
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