Portable Particulate Monitor (PPM): A network of monitors across Arizona operated by ADEQ that record hourly average concentrations of Particulate Matter-2.5. The monitors can be deployed to measure PM-2.5 levels generated by wildfires and prescribed burns.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
👇 ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖