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Portable Particulate Monitor (PPM) (Environmental Glossary)

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.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
_ខាងក្រោមនេះជាសៀវភៅនិងឯកសារសម្រាប់ការងារនិងរៀនគ្រប់ប្រភេទ៖
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