In light of the #Wildfire smoke blanketing huge swaths of North America and elsewhere, I’m reposting these instructions on how to build your own #CorsiRosenthal air filter. During the peak of the pandemic a number of designs were developed for low-cost, high efficiency air filters and the CR was the hands-down winner.
corsirosenthalfoundation.org/i…
Dedicated to providing cleaner safer air for all.Corsi-Rosenthal Foundation
A local ordinance has banned grass burning because it poisons the air and kills insects, and there are organic waste bins on every corner. Unfortunately, the effect is just the opposite. People who aren't selfish idiots didn't burn grass even before, and the rest burn even more now to show that they aren't obedient sheep and that no one is going to take away their freedom to poison the air for their neighbors.
This graph shows what it does to the #airquality. It immediately jumps from OK to unhealthy.
AirGradient: sledování kvality vzduchu (nejen) pro Home Assistant
Před dvěma a půl lety jsme se přestěhovali do čtvrti s rodinnými domy na kraji Brna. A ač se tu nenachází žádná velká doprava nebo průmysl, vzduch je tu v zimě často horší než v centru. Mnoho let už platí, že mezi nejvýznamnější znečišťovatele vzduchu patří lokální topeniště. Do řízeného větrání jsme museli pořídit tři filtry, dva uhlíkové a […]
#AirGradient #AirQuality #ekologie #HomeAssistant
blog.eischmann.cz/2025/02/09/a…
(reakce na tento příspěvek se může zobrazit jako komentář pod článkem)
Last 24 hours from our #AirQuality monitor. This is a typical day when you can already smell it. We live in a residential area on the outskirts of #Brno and in winter the air quality tends to be (sometimes much) worse than in the city center. All because of local heating systems that use wood and, to a lesser extent, coal.
