SARS-CoV-2, CO2, and You
A good video about how CO2 monitors work and how you can analyze the information they give you to protect against airborne diseases.
And the companion video about masking:

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SARS-CoV-2, CO2, and You
A good video about how CO2 monitors work and how you can analyze the information they give you to protect against airborne diseases.
And the companion video about masking:
A refresher on what these numbers mean, that CO2 readings are a proxy for how fresh the air is in a given indoor space. You can use @theRavenApp to log and view crowdsourced readings in your city. ravenapp.org/cleanair
How to think like an aerosol scientist this holiday season to stay healthy | Colorado Public Radio
People worried about COVID, flu or RSV ruining the holidays can do one simple thing to reduce the risk of infection — think about ventilatio
The general concept, he said, is summarized by a maxim in the aerosol research world: the solution to pollution is dilution.
This is a reminder that when the @MTA makes public claims about the ventilation on @NYCTSubway trains, they're either disastrously confused, or outright lying.
On a train with only a few standing, and many seats open:
[photos of Aranet CO2 monitors on a subway train seat with high (bad) readings: 1128 & 1153 ppm. on the right, a chart shows ppm readings rising over the course of a day.]
Vergleich zweier CO2 Sensoren #bme680 #aranet4 #maker #diy #tech #techy #technology #electronic #components #diy #DraegerIT (hier: Stefan Draeger Software) https://www.instagram.com/p/CHzf9tHrUQp/?igshid=15kjs9wc5522m