@Espruino
@alexschnapper
@jke what are "normal" indoor values from the SDS011?
Does this look ok?

pm2.5: 0.2pm10: 0.8 pm2.5: 0.2pm10: 0.8 pm2.5: 0.2pm10: 1.3 pm2.5: 0.2pm10: 1.4
pm2.5: 0.2pm10: 1.4 pm2.5: 0.2pm10: 1.4