Hello
airquality.txt I can’t find anywhere on my computer…
But I’ll attach what I think you mean, airqualityaqi.inf (zipped due to size) and airquality2.txt.
I also attach the setup.
The dips are there more or less all the time.
Regards
ts20
airquality2.txt (400 Bytes)
airqualityaqi.zip (122 KB)