Air Quality Monitor This unit can be desktop or wall mounted It will inform you of good or bad air quality. The pro version can data log and download daily or monthly data in excel format info for:  Dust Particulate PM2.5  Nitrogen Dioxide NO2 Carbon Monoxide CO Carbon Dioxide CO2 Relative Humidity RH Temperature T Ozone O3 Volatile Organics TVOC Air Pressure HPa  Ask For Info  Request a quote