I ended up buying a bunch of temperature/humidity/pm2.5 sensors that communicate over Zigbee, then collect the data with Zigbee2MQTT, which was trivial with the

I ended up buying a bunch of temperature/humidity/pm2.5 sensors that communicate over Zigbee, then collect the data with Zigbee2MQTT, which was trivial with the mqtt_consumer in Telegraf. The benefit (or drawback I guess) with your approach is that you can also ingest your neighbors data, if you can reach it :)