Question 1 of 15
Where was the highest air temperature ever officially recorded?
Why: 134°F (56.7°C) at Furnace Creek, July 10, 1913.
Question 2 of 15
Which country contains the Dallol depression, one of the hottest inhabited places on Earth?
Why: Ethiopia's Dallol has a year-round average of about 94°F.
Question 3 of 15
What is the surface temperature of the Lut Desert in Iran, measured from satellite?
Why: Ground surface temperature has been measured at 159°F — one of the hottest surface temps ever recorded.
Question 4 of 15
Which city holds the record for most consecutive 100°F days?
Why: Marble Bar, Australia — 160 consecutive days in 1923-24.
Question 5 of 15
What is the hottest oceanic sea surface temperature ever recorded?
Why: About 101°F in the Persian Gulf during summer 2020.
Question 6 of 15
Which desert region includes Death Valley?
Why: The Mojave Desert covers Death Valley.
Question 7 of 15
What extreme heat wave killed 70,000+ people across Europe in 2003?
Why: The August 2003 heatwave was catastrophic across France, Italy, Spain and Portugal.
Question 8 of 15
What is the hottest year on record globally?
Why: 2023 was the warmest year in the instrumental record.
Question 9 of 15
What US state consistently has the highest average summer temperatures?
Why: Arizona's Yuma and Phoenix consistently top the summer averages.
Question 10 of 15
What is a 'wet-bulb temperature'?
Why: It represents the survivability threshold for humans in extreme heat.
Question 11 of 15
At what wet-bulb temperature is human survival theoretically impossible?
Why: Sustained wet-bulb ~35°C is the theoretical limit.
Question 12 of 15
The Lut Desert record surface temperature was set in what year?
Why: 2018 satellite measurement recorded 177°F ground surface.
Question 13 of 15
Where is the world's hottest average annual temperature?
Why: Dallol averages about 94°F year-round.
Question 14 of 15
Basra, Iraq set a Middle East high in July 2016 of what?
Why: 129°F — one of the hottest reliable readings ever.
Question 15 of 15
What's the difference between air temperature and heat index?
Why: Heat index accounts for how hot it feels with humidity.