Ça parle de PurpleAir dans le fameux SF Chronicles 🤨 Qui n’a pas lu Maupin en 10/18 domaine étranger ?
PurpleAir sensors & other low cost #airquality sensors have exploded in popularity in the #BayArea especially with raging #wildfires. We explored where these sensors are — and aren't:By @DanielleEchev & me 🌬️ @sfchronicle