With the outbreak of the coronavirus, many people are wondering if masks capture coronavirus particles. It’s a big change for all of us to suddenly start wearing masks everywhere. Ans it’s a lot to ask billions of people around the world to become mask experts overnight. There is a lot …
The term “HEPA filter” can be confusing. What does HEPA stand for? What is a HEPA filter made from, and what actually makes it a HEPA filter? What is a HEPA Filter? “HEPA” stands for “high-efficiency particulate air” (filter). It sounds complicated, but HEPA air filters are nothing fancy. They …
With Covid-19, many of us are wondering how to properly clean our masks. Google searches for “wash N95 mask” and “wash KN95 mask” have sky-rocketed. Yet data-backed answers seem to be in short supply. The usual advice is to toss and replace masks instead of washing them. Let’s dive into …
Abu Dhabi PM2.5 air quality averaged 42.4 micrograms in 2022. This means Abu Dhabi PM2.5 concentrations exceeded the WHO annual limit of 5.0 micrograms by over 8 times. On the most polluted day, Abu Dhabi air quality exceeded the recommended limit by a little under 56 times. Current Air Quality …
Mask ratings can be confusing: N95, KN95, FFP1, FFP2, P2, or surgical mask? This quick run-down of mask specifications covers mask types, mask ratings, and their effectiveness at filtering particles. Let’s begin by discussing mask types or certification types. There are generally three commonly used, disposable masks: single-use face masks, …
Air purifiers with UV light are marketed as effective virus killers, capable of targeting viruses such as COVID-19. UV light technology including far-uv, far-uvc, and UVGI are advertised to kill 99.9% of viruses. One in every four air purifiers displayed as top results on Amazon is labelled as a UV-C …
Ottawa PM2.5 air quality averaged 6.1 micrograms in 2022. This means Ottawa PM2.5 concentrations just exceeded the WHO annual limit of 5.0 micrograms by 122%. On the most polluted day, Ottawa air quality exceeded the recommended limit by a little under 5 times. Current Air Quality in Ottawa Air Quality …
Vancouver PM2.5 air quality averaged 8.9 micrograms in 2022. This means Vancouver PM2.5 concentrations exceeded the WHO annual limit of 5.0 micrograms by a little under 2 times. On the most polluted day, Vancouver air quality exceeded the recommended limit by over 17 times. Current Air Quality in Vancouver Air …
Singapore PM2.5 air quality averaged 9.4 micrograms in 2022, that’s a PSI of 39. This means Singapore PM2.5 concentrations exceeded the WHO annual limit of 5.0 micrograms by a little under 2 times. On the most polluted day, Singapore air quality exceeded the recommended limit by a little under 5 …
Kuala Lumpur PM2.5 air quality averaged 17.3 micrograms in 2022. This means Kuala Lumpur PM2.5 concentrations exceeded the WHO annual limit of 5.0 micrograms by over 3 times. On the most polluted day, Kuala Lumpur air quality exceeded the recommended limit by a little under 6 times. Current Air Quality …
