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How Tiny Sensors Detect Air Pollution Levels
微型传感器如何检测空气污染程度
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Tiny sensors measure harmful particles in city air.微型传感器测量城市空气中的有害颗粒。
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They count smoke, dust, and chemical gases every second.它们每秒统计烟雾、灰尘和化学气体含量。
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Data travels wirelessly to computers for real-time analysis.数据通过无线方式传输至计算机，实现实时分析。
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Scientists use this info to warn people about bad air days.科学家利用这些信息提醒公众注意空气质量差的日子。
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These sensors fit on lampposts, buses, or even bikes.这些传感器可安装在路灯杆、公交车甚至自行车上。
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Cleaner air helps children breathe easier and stay healthy.更清洁的空气有助于儿童顺畅呼吸、保持健康。
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Some sensors also track temperature and humidity changes.部分传感器还能监测温度和湿度变化。
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This tech makes cities smarter and safer places to live.这项技术让城市变得更智能、更宜居。