WAY OFFPlay today's →
Way Off facts · 🌦️ Weather

How many tons of Saharan dust does the wind carry off the west coast of Africa each year?

182 million
tons per year
182,000,000 exactly, give or take
Around 182 million tons of Saharan dust blows out over the Atlantic every year — and about 27 million tons of it lands in the Amazon, fertilising the rainforest.SOURCENASA CALIPSO satellite study
Scale check: 182 million is roughly about the population of Japan.
Would you have guessed? You'll be way off.

Way Off is a game which asks questions like this every day. Guess by order of magnitude, watch the truth be revealed, and beat your friends by being the least wrong.

Play today's Way Off — free

More Weather numbers you'll get wrong

How much does an average fluffy cumulus cloud weigh, in kg?the answer will annoy you The heaviest hailstone ever recorded in the US fell on Vivian, South Dakota in 2010. How much did it weigh, in grams?the answer will annoy you The longest single lightning flash ever recorded stretched from eastern Texas to near Kansas City in a 2017 storm. How long was it, in kilometres?the answer will annoy you Lake Maracaibo in Venezuela is the lightning capital of Earth. How many lightning flashes hit each square kilometre of the lake per year?the answer will annoy you All 314 facts →