Air pollution is a growing global issue, that is detrimental to human health and the environment. Major sources of air pollution include manufacturing, power and transport. Some of the major health effects of air pollution are lung and heart diseases. Read more on what air pollution is, global air pollution trends and more here.
Looking to find one of the best AQI cities in China to get a break from the pollution? Here is a list of the least polluted cities for 2025 with the best air quality in China. Rankings: Top 10 Best AQI Cities in China (2025) 1. Ngari Prefecture, Tibet (5.4 …
Looking to find the least polluted cities in the United States to get a break from air pollution? Smart Air analyzed 2025 air pollution data for dozens of United States cities to generate the 2025 ranking of the “10 Least Polluted Cities in the United States”. Scroll down for the …
We all know that smoking is harmful to our health, but fewer people realize that breathing polluted air can be just as dangerous, if not more so. Millions of non-smokers face the risk of lung damage every day simply by breathing the air around them. Depending on where you live, …
Diabetes causes roughly 1.5 million deaths worldwide each year, making prevention a major focus of medical research. Most efforts concentrate on familiar risk factors such as diet, physical activity, and genetics. In recent years, however, researchers have begun looking into a less obvious factor: air pollution. Diabetes is a metabolic …
It is common to think that nighttime should have lower PM2.5 since there are fewer car and industrial emissions in general. However, this is not the case. There’s a great source of data to help answer this question: the US Embassy. The US Embassy (and its consulates in four cities …
Air pollution is one of the leading causes of death around the world. Therefore, you may be curious: where is the cleanest air in the world? And what city has the best air quality? Smart Air analyzed 2024 air pollution data from 493 major cities around the world to create …
Is it possible to see air pollution just by looking at the color of sunlight in the sky? That sounds tough, sometimes I hear people say air pollution is invisible: But after years of living in Beijing and Delhi, I’ve been amazed at how well we can detect air pollution …
It’s that time of year when Beijing is starting to sizzle, if this person roasting fish on her car is any indication. We’ve just turned our air conditioner on, and that got some in the Smart Air office wondering: does our AC suck in outdoor air pollution? Although we’re roasting, …
The boring answer is “it depends on your filter,” but here are three much more useful insights I’ve learned from actually testing HEPA lifespan: I’m not an expert in air pollution. I was just a poor grad student living in Beijing, and I started making DIY air purifiers to cope with one …
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