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Vancouver pollen levels are "VERY HIGH". The named species aren't the ones I've been tested for (but what is one to make of "Cedar, Juniper, etc."?), but I've still been 'enjoying' some itchy eyeballs and nose blowing, especially after opening my windows or being outside unmasked.
Silver lining: I'm getting very good evidence of masks working, as the past two days I've spent 2.5 hours outside without problems. Hell, I seem to be suffering more from pollen leaking into the apartment despite closed windows (or coming off my clothes...) than from being out.
This also makes me more confident that the mask is protecting me from particulates when walking along a car sewer.
Though pollen is kind of easy mode: 10-200 microns.
Relevant papers:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8278371/ (Masks work, 14 patients subjected directly to grass pollen.)
https://pubmed.ncbi.nlm.nih.gov/34534761/ (Masks work, pandemic questionnaire)
https://www.jaci-inpractice.org/article/S2213-2198(20)30867-9/fulltext (Masks work, especially for 'intermittent' sufferers, Israeli nurse experiment)
Silver lining: I'm getting very good evidence of masks working, as the past two days I've spent 2.5 hours outside without problems. Hell, I seem to be suffering more from pollen leaking into the apartment despite closed windows (or coming off my clothes...) than from being out.
This also makes me more confident that the mask is protecting me from particulates when walking along a car sewer.
Though pollen is kind of easy mode: 10-200 microns.
Relevant papers:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8278371/ (Masks work, 14 patients subjected directly to grass pollen.)
https://pubmed.ncbi.nlm.nih.gov/34534761/ (Masks work, pandemic questionnaire)
https://www.jaci-inpractice.org/article/S2213-2198(20)30867-9/fulltext (Masks work, especially for 'intermittent' sufferers, Israeli nurse experiment)