There will be two separate devices: an environmental sensor and a biomarker sensor. COPD- and CF-patients are the intended beneficiaries as well as healthy subjects.

The environmental sensor is going to be a portable device including a battery that is supposed to be worn at the arm. The sensor measures different environmental values and concentrations in a variable frequency.

The values are temperature and relative humidity, particulate matter as well as some gases (NO2, O3, volatile organic carbons [VOCs], CO and SO2).

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