Air pressure monitoring

Other Hardware Sensors
1 
type or paste code here

Is there a sketch or a way to measure negative air pressure? My wood burning fire place may be experiencing negative air , looking for a way to measure it. I have Arduino, Nano, Uno,ESP 8266 and ESP32 . Using Windows 10 , any advice to achieve this would be greatly appreciated . Thanks

2

Try Mpx50dp

https://www.kynix.com/Detail/815852/MPX5050DP.html

3

Thanks for the information