Fig. 9: Atmospheric monitoring with cloud intelligence.
From: AI‑driven photonic noses: from conventional sensors to cloud‑to-edge intelligent microsystems
a Cloud-based hazardous gas sensing. Reproduced with permission from the Wiley (2019)235. (i) Illustration of the concept of cloud data collection. (ii) Optical image of the assembly of the system. (iii) Gas response on smartphone application. b Near-infrared mobile cloud sensing system for atmospheric carbon dioxide monitoring. Reproduced with permission from the American Chemical Society (2025)201. (i) Diagram of the cloud monitoring system. (ii) Photograph of the system. (iii) The gas concentration information versus measurement time in different areas of the city
