PM2.5 is a particulate air pollutant that poses a major health concern to humans. They are tiny pollutants measuring 2.5 microns and below. PM2.5 can enter deep into the lungs and the blood stream. Prolonged exposure to PM2.5 can cause health effects like respiratory and cardiovascular diseases. Learn more about PM2.5, the best way to protect yourself from PM2.5 and other trends here.
While most of us believe that trees and green space can improve air quality and filter out pollutants, is this truly the case? And which tree is best for the job? Trees aren’t Filters First, we need to stop thinking that trees are filters. They’re not. The biggest effect they …
Air pollution affects nearly every organ in our body, but did you know air pollution affects your mood too? Research shows direct correlations between air pollution and a bad mood. PM2.5 Air Pollution Worsens Mood Researchers at MIT studied how air pollution affects mood across 144 cities in China. Now, there’s …
When a billion people in China (and quite a few expats) woke up to the severe air pollution in almost every city in China, it forced a billion people to become experts in a complicated scientific question: Do masks work? Since then, I’ve given talks with hundreds of people all around …
The latest data on the health toll of air pollution from the World Health Organization finds it doesn’t kill people like you probably think it does. How does air pollution kill? The World Health Organization tallied up all the deaths all the deaths due to outdoor air pollution based …
Data shows face masks can protect you from COVID-19, but how about air purifiers? Can an air purifier with HEPA filters remove COVID-19 and other viruses? Can Air Purifiers and HEPA Filters Remove COVID-19 Virus? To answer this question, we need to first answer if HEPA filters can capture particles …
Air pollution is a serious concern in India, with significant health impacts. Smart Air has analyzed data from 2023 to highlight the “20 Most Polluted Cities in India”. Scroll down below for the full rundown of India’s most polluted cities and their annual PM2.5 levels. It’s worth noting that the …
Are you in search of a city in India with the cleanest air to get a break from air pollution? Smart Air examined air quality data from 2025 for numerous Indian cities, resulting in the list of the ’20 Least Polluted Cities in India’ or ‘Best AQI Cities in India’. …
Looking to find the least polluted cities in Thailand to get a break from air pollution? Smart Air analyzed 2025 air pollution data for dozens of Thailand cities to generate the ranking of the “10 Least Polluted Cities in Thailand”. Scroll down for the full rundown of the least polluted …
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