Hi guys I was wondering if you could help me with a question I have. I am looking to create an indoor 'environment' monitor that monitors all sorts of conditions in the room such as temperature and humidity but also dust particles and pollen to monitor allergies. So I have think I have decided on …

I think that is not possible. A nose can detect pollen long before any dust detector would. To measure the pollen, pull air through a filter, and after 24 hours, investigate the filter in a laboratory. This is a patent : US20040066513A1 - Pollen sensor and method - Google Patents The patent is a…

My understanding of the above dust sensor is that it is actually a particulate sensor rather than exclusively a dust sensor. So does that mean it will sense both pollen and dust? It just won't know which is which.

Yea I have but when I do I get results such as the dust sensor linked above as well as the PS2 Pollen sensor by a company that also produces a dust sensor which costs $2,200. If you are able to link to any of the results you have that would be helpful all I get is the same range of particle and dus…

If you want a cheap solution, you are out of luck. It is very difficult to automatically and reliably distinguish pollen from other small particles. One sensor manufacturer mentions use of light polarization, which makes sense as many biological compounds affect the polarization of light. Polarizat…

OK thank you for your help. Is my understanding correct when I think that the above sensor is actually a particle sensor and will sense both dust and pollen? So if the amount of dust in the air remained the same but the pollen count went up I would see an increase in the particles detected by the s…

The sensor you linked in the original post is reflective, so any particle above a minimum size will be detected.

http://www.shinyei.co.jp/stc/eng/optical/main_poln.html this could serve the purpose IMO. I don't know if it can be interfaced to Arduino.

Dust sensors acting as pollen sensors

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jremington November 12, 2015, 10:54pm 4

Have you googled "pollen sensor"?
Lots of hits.

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Dust sensors acting as pollen sensors

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