100.7: The decibel level during festival season in 2020, Mumbai’s quietest in two decades
9.5: Estimated total sales (in billions of dollars) of speakers this year in China, the biggest market in the world
88,000: Roughly the number of helicopter flights between 2017 and 2019 in and around Washington, D.C.
▰ ▰ ▰
Originally published in the January 11, 2021, edition of the This Week in Sound email newsletter (tinyletter.com/disquiet).