# How pm2p5 (73.210) and pm10 (74.210) is calculated in Reanalysis Global data nowdays?

**URL:** <https://forum.ecmwf.int/t/how-pm2p5-73-210-and-pm10-74-210-is-calculated-in-reanalysis-global-data-nowdays/14255>\
**Category:** CAMS - Datasets and Usage\
**Tags:** eac4, global\_reanalysis\
**Created:** [15 October 2025 15:24 UTC](https://forum.ecmwf.int/t/how-pm2p5-73-210-and-pm10-74-210-is-calculated-in-reanalysis-global-data-nowdays/14255 "2025-10-15T15:24:02Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Michela](https://forum.ecmwf.int/letter_avatar_proxy/v4/letter/m/898d66/32.png) [@Michela](https://forum.ecmwf.int/u/Michela)\
**Post date:** [15 October 2025 15:37 UTC](https://forum.ecmwf.int/t/how-pm2p5-73-210-and-pm10-74-210-is-calculated-in-reanalysis-global-data-nowdays/14255/2 "2025-10-15T15:37:19Z")

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Hi,  
please have a look at the following posr: [PM10 and PM25 global products - #2 by Antje\_Inness](https://forum.ecmwf.int/t/pm10-and-pm25-global-products/1084/2)  
Thanks

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