Wireless sensor networks to monitor air quality

Use these sources: https://arxiv.org/pdf/1005.1737.pdf https://pdfs.semanticscholar.org/4e9d/c73e2b137a5360ebae608c56877a6b725b9b.pdf https://www.researchgate.net/publication/269311725_Wireless_Sensor_Network-based_air_quality_monitoring_system https://www.ijcnis.org/index.php/ijcnis/article/viewFile/2708/248 https://ieeexplore.ieee.org/document/6137040                                                                      

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