How to know when the planet has actually passed 1.5 u00b0 C of global warming

.ON FEBRUARY 8TH the Copernicus Environment Modification Solution, an EU agency, declared that in the year to January 31st the world’s temp had been actually, typically, 1.52 u00b0 C higher than pre-industrial amounts. The Paris agreement, a temperature negotiation of 2015, focused nations to always keep the growth in “international average temperature … effectively below 2 u00b0 C above pre-industrial amounts” and find to limit it to 1.5 u00b0 C.

Can individuals point out that the globe possesses outperformed some of the Paris breakthroughs? If it has not, what will be required to make such an insurance claim?