Kayli Jamieson #COVIDIsAirborne Profile picture
Apr 13, 2023 12 tweets 7 min read Read on X
Hey new followers and COVID-aware folks! ☺️ If you haven’t heard of CO2 monitors already, you may want to look into getting one since #COVIDisAirborne, and these monitors can aid in your risk assessments. Here’s a 🧵 on how to use them in your daily routine. Hand holding an Aranet4 CO2...
For reference, something I typed up last year to explain to others the benefits of CO2 monitors in assessing COVID risk in spaces. Outside air is around 450ppm I’ve found in Vancouver. The lower the number, the better. #BCCO2 #COVIDCO2 What are the Benefits of CO...
CO2 monitoring is actually more common than you think! It’s a norm in Japanese restaurants/airports/theatres (see @daka_x’s tweets). Users have inputted data in this developed map for CO2 logged locations worldwide 🙌
I got this off a tweet @joeyfox85 shared (who’s fantastic to follow for more on this). This means if your monitor says 1200+ ppm, 1 in every 50 breaths you take is exhaled from others. Air is the new poop. We filter our water, so why not our air when #COVIDisAirborne? #MaskUp Rebreathed CO2: Breath appr...
Now onto acquiring your CO2 monitor! So many options on the market, where to start? First you want to ensure it relies upon NDIR technology for best accuracy possible. co2meter.com/blogs/news/how…
Here are some options I’d recommend for models, varying in price range. The Aranet4 is extremely accurate and can even transmit the data tracked to your phone! Price point is a bit high (around $350+ CAD), but in terms of battery life (6+months) & accuracy, this is a winner to me Hand holding Aranet4 on Van...Screenshot of Aranet4 app. ...
I bought a more affordable option for my parents to use. This keychain one ($64 CAD) is sold on shop.evidencebased.ca/collections/co… which supports the charity @DonateMask and it updates very rapidly! Downside is battery life, which holds a charge up to 8 hours. Btw it emits an alarm at 1000+ Hand holding keychain mini ...
Before I got my Aranet4, I found this model on Amazon which I liked decently enough! It was maybe 100ppm off, accuracy-wise. I accidentally dropped it and it broke 😅😭. This is unavailable now, but I’m including this for awareness of other models online Hand holding black circular...
So now you got a monitor! 🙌 Using them in your daily life means recognizing the spaces that, if possible, you shouldn’t spend too long of a duration in if the CO2ppm is risky. Can you open any windows? Wait near a door? Meet outside? Curbside pickup? Any options for ventilation?
Alternatively, they can also provide you freedom from *some* uncertainty. If you want to risk a restaurant, for example. Below is one of my fav spots in Vancouver for that purpose. (However I don’t dine indoors during waves and I MUCH prefer patios and being outdoors in general). Aranet4 CO2 monitor on a ta...
Lastly, here’s a real-world story of mine where being CO2-aware and cognizant of the fact #COVIDisAirborne may have saved me from reinfection.
With this being said, it takes more than a CO2 monitor to avoid infection. This should be used as a valuable tool in CONJUNCTION with filtration (HEPA filters, opening windows), well-fitting masking, bi-annual booster shots, and rapid testing before indoor events/gatherings. 🫶

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More from @wanderingkayli

May 2, 2022
Story time: found out that my cautious mindset in how #COVIDisAirborne may have saved me last week from reinfection. My workplace had a big senior staff meeting for training and were using our program rooms. I like to come early before work to use an empty room to eat/study (1/4)
They finished an activity in one of the rooms so I was able to use it after. I realized though that given how a bunch of people (likely maskless) had just been inside, it would be smart to open a window to naturally clean the air of the room if there were viral aerosols. (2/4)
Felt more at ease once my CO2 monitor indicated ppm in the high 400s. Found out today that EVERY single staff member at the meeting got infected. This nails home the point that it’s possible to escape infection by cleaning the air in a closed space. (3/4)
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