Q: What hostnames and ports do PurpleAir sensors use?

FAQ Sensors
1

PurpleAir sensors will only communicate with the following fully qualified domain (FQDN) hostnames:

  • http://www.purpleair.com
  • http://api.purpleair.com
  • update.purpleair.com
  • sensors-ingest.wunderground.com
  • pool.ntp.org
  • www.googleapis.com

Outgoing ports used by PurpleAir sensors:

  • HTTP: 80
  • HTTPS: 443
  • DNS: 53
  • NTP: 123