In this OPARA entry, the data for the figures of the publication "Tunable-Threshold UV Dosimetry with Programmable Luminescent Tags via Oxygen-Mediated Room-Temperature Phosphorescence" by Achenbach et al. are provided. Figure 1. Schematic illustration of the threshold UV dosimetry concept based on oxygen-mediated room-temperature phosphorescence. Figure 2. Typical activation curve of a PMMA:BP-2TA sensor with 10 wt% BP-2TA under continuous irradiation with a 365 nm LED. Figure 3a. Activation time of PMMA:BP-2TA sensor with 0.5, 1.25, 3.5, 10 wt% BP-2TA in dependence of the irradiation intensity (365 nm LED). Figure 3b. Activation dose of PMMA:BP-2TA sensors in dependence of the BP-2TA wt% (365 nm LED). Figure 4. Measured and calculated wavelength dependence of the sensor activation dose for a fixed emitter concentration of 3.5 wt% BP-2TA embedded in PMMA. Figure 5. Shelf-life stability of PMMA:BP-2TA samples with 10 wt% emitter concentration over a period of up to 38 days after fabrication. Figure S1. Normalized emission spectra in number of photons over wavelengths of the UV excitation sources used for the wavelength-dependent dose and PLQY measurements. Figure S2. Activation curves for the intensity-dependent measurements presented in Figure 2 of the main text. For each Emitter share (0.5, 1.25, 3.5, 10 wt% BP-2TA), the data and fits are presented in one subplot. Figure S3. Extension of Figure 3b with additional higher Emitter concentrations of 15 and 20 wt%.