Which plant produces pollen at PM2.5 tho? Pollen usually isn't entering your blo... | Hacker News

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		wnevets on May 28, 2024 \| parent \| context \| favorite \| on: An air quality model that is evolving with the tim... Which plant produces pollen at PM2.5 tho? Pollen usually isn't entering your bloodstream through your lungs, its too large.

semi-extrinsic on May 28, 2024 | [–]

Pollen particles are quite fragile and tend to break up into PM2.5 and smaller, especially during rain events. See for instance the reference below.

https://doi.org/10.1016/j.aeaoa.2022.100177

culi on May 28, 2024 | [–]

In addition to pollen, there are spores from both mushrooms and ferns. Both of which are common cloud-seeding particles and can often be PM2.5

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