Comment by @stani • Hey

really recommend, been having interesting findings. Especially to avoid PM2.5 level particles that can go directly into the bloodstream

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👀 I'll look into that, thank you for advice 🙌💙
We live in Hong Kong and got iqair’s when we had kids. The irony is the worse the air, the more people get air filters, the more electricity used, the more Coal burned (at least in many parts of the world that are still largely dependent on coal-fired power ), the more pollution in the air.
@stani.lens do you use a specific device or just check online?