Operational:
- February07, 2023, cleaning/reset of GP2Y10+MiCS6814-setup, incl. BME280-replacement.
- February 2023, general breakdown of sensors, probably due effect of moisture.
- January 2023 random breakdown of read-out, which can be remedied by hard reset.
- December 07, 2022, unexpected recovery and restart of read-out
- From May 2022 breakdown of read-out without clear reason.
- Periodic logging via Domoticz2.
  Experimental, uncalibrated, local measurements started October 08, 2019
  With MiCS6814 very broadspectrum reporting for gastypes CO, NH3 and NO2
- Affordable & Qualified setup for measurement of O3 and NO2 to be developed
- AQICN-info is a combination of measurement and estimation
- Ozone-info from DarkSky for stratosphere is 'placeholder' for UV-attenuation
- RIVM-forecast info is from estimation based on limited measurements.