During seasonal changes, pollen triggers allergic reactions, sneezing, and itchy eyes for many. Does pollen show up in air quality readings? If so, people with allergies could use pollution readings to get a sense of local pollen conditions. How Small is Pollen? Intact pollen generally ranges from 10 microns to …
Air pollution ranks among the top causes of death in the world. But which cities and countries are the most polluted (dirtiest) in the world? Smart Air analyzed 2022 PM2.5 data for 529 major cities from 88 countries around the world to create the 2023 updated ranking of the “Top …
Air pollution is a serious concern in India, with significant health impacts. Smart Air has analyzed data from 2022 to highlight the “20 Most Polluted Cities in India” for 2023. Scroll down below for the full rundown of India’s most polluted cities and their annual PM2.5 levels. It’s worth noting …
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 …
What are ionizer air purifiers and ionizer in general? This is an important question because ionizer air purifiers are all over the place. For example, I was at a friend’s apartment in the US, and I saw his tower fan air purifier had an ionizer button on it: Ionizer air …
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 …
Surgical masks are designed to be worn in one direction only. However, it can be difficult to know which way round a medical face mask should go. Should the blue side be outward or inward? And what about those all-white surgical masks? In this article, we’ll cover how to wear …
Is KN95 same as N95? With such similar-sounding names, it can be confusing to understand the difference between N95 and KN95 masks. This handy chart explains the similarities and differences between N95 and KN95 masks. N95 vs. KN95 Comparison Chart Source: 3M – Comparison of FFP2, KN95, and N95 and …
Every year, millions of Americans watch 4th of July fireworks, but those fireworks create air pollution that lingers well into the next day, according to a new study. This new study may prompt some cities to reconsider using old-fashioned fireworks and replacing them with newer technologies like drone shows. Tracking …
