New portable PurpleAir sensor could really change things - PIXEL
Just saw this in the email from PurpleAir:
"Powered by USB, with no WiFi or Bluetooth, it is the ultimate plug-and-play air sensor..."
https://www2.purpleair.com/products/purpleair-pixel
I will definitely buy one to use when I'm traveling. I wish it DID connect to the Real-Time Map. This could really illuminate a bunch of places that have few sensors currently.
Bravo, PurpleAir!