Do N95 Masks Really Expire?

Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.

Volcanic Ash Can Travel Over 10,000 Miles

Volcanic eruptions affect air quality in many ways. But how far away from the eruption is air quality affected? How far can volcanic ash and smoke travel? Larger Volcanic Ash Typically Does Not Travel Very Far During a volcanic eruption, the general rule of thumb is larger ash falls to … Read more

Health Effects of Volcanic Eruptions: Respiratory Diseases

Health effects of volcanic eruptions are often overshadowed by the awing spectacle of the eruption. But as we previously discussed, volcanos emit a variety of pollutants in the air and these pollutants can travel for thousands of miles! One of the major health dangers of volcanic eruptions and the emitted … Read more

How Do Volcanos Affect Air Quality?

With over 1500 active volcanos worldwide, gases and ash emitted from volcanic eruptions is an international issue. Volcanic smoke, also known as “vog”, can travel hundreds, and even thousands of miles away from a volcano and affect distant communities. So what exactly do volcanos emit? How do volcanos affect air … Read more

Do portable air purifiers work?

Wearable Air Purifiers: What Are They & Do They Work?

Small, wearable necklace air purifiers have become popular to protect against viruses and other pollutants. They’re small, lightweight, portable and fairly cheap. Here’s an Amazon listing for one which claims to eliminate germs, dust, viruses and more from the air. In the Philippines, President Duterte has been seen wearing a … Read more

Best Place To Put Air Purifier in Room

The Best Place To Position Your Air Purifier

Where should I place my air purifier? It’s a common question every air purifier owner has. Where to position an air purifier can be a difficult decision. How does position affects its performance? Is it best to put an air purifier next to a wall? This post answers the question … Read more

WHOs Air Quality Guidelines Are Actually Unsafe

Here’s Why the WHO Air Quality Guidelines Are Unsafe

In 2005, the World Health Organization (WHO) released its most recent guidelines on safe air quality and pollution levels. The problem? More recent research shows these WHO air quality recommendations are actually NOT safe. What Are the WHO Recommended Safe Air Pollution Levels? The WHO gives recommendations for 5 air pollutants: PM2.5, … Read more

How far can wildfire smoke travel?

How Far Can Wildfire Smoke Travel?

Smoke from wildfires is a serious health concern. So questions often come up: How far can wildfire smoke travel? Can someone in New York be affected from the California wildfires thousands of miles away? Do Australian bushfires affect the entire country? During the ravaging California wildfires in September of 2020, … Read more

How Pollution Affects Children

How Air Pollution Affects Children’s Health

Air pollution affects all of us, including children. In recent years, more research has been done on how air pollution affects children’s health and the results are scary. In fact, the WHO recently published a 172 page paper on the damaging effects air pollution has on children. They started the … Read more

Are double masks better?

Does Doubling Mask Layers Increase Effectiveness?

I often get asked questions about double masks: “Is wearing two masks better than one?” and “Does doubling mask layers increase effectiveness?” It would make sense that the more layers you wear, the safer you are, right? Even director of the NIH Dr. Anthony Fauci has said it seems like … Read more

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