Cities in China have consistently ranked among the most polluted in the world. So you may ask: “What is the most polluted city in China?” Smart Air analyzed 2020 pollution data from 52 cities in China. Rankings: Most Polluted Cities in China (2020) 1) Anyang, Henan Province (44 ug/m3) 2) Shijiazhuang, Hebei Province (43 ug/m3) […]
Category: Air Pollution
Recent Air Pollution Articles:
Wind, Not Rain, Reduces Air Pollution
It’s wind, not rain, that reduces air pollution. It sounds so simple, yet on rainy days, many people believe it’s the rain that’s “washing away” air pollution. Data shows otherwise. Rain is poor at clearing air pollution from the skies. Most of the time, it’s wind that blows pollution away and lowers overall air pollution […]
Los Angeles Air Quality (AQI) and California Air Pollution
How is the Air Quality in Los Angeles? Los Angeles air quality exceeded the WHO annual limits on about two-third of days in 2020. Los Angeles air quality averaged nearly over twelve times the daily recommended limit of dangerous PM 2.5 pollutants on its worse day in 2020. 67% of Days in Los Angeles More […]
Houston Air Quality (AQI) and Texas Air Pollution
How is the Air Quality in Houston? Houston air quality exceeded the WHO annual limits on over one-third of days in 2020. Houston’s air quality averaged over four times the daily recommended limit of dangerous PM 2.5 pollutants on its worse day in 2020. 37% of Days in Houston More Polluted than WHO Target Houston’s […]
Chennai Air Quality (AQI) and India Air Pollution
How is the Air Quality in Chennai? Chennai air quality exceeded the WHO annual limits on the majority of days in 2020. Chennai’s air quality was significantly worse during winter compared to the summer. 86% of Days in Chennai More Polluted than WHO Target Chennai’s daily air quality levels exceeded the World Health Organization (WHO) […]
Air Pollution Effects Fertility and Newborn Baby Health
How does air pollution negatively effect a mother’s fertility and newborn baby health? Many studies have been done on the effects of air pollution on the health of adults, but let’s take a look into its effects on fertility and newborn baby health. What Negative Effects does Air Pollution Have on Fertility? Dr. Shruti Mahalingaiah […]
Indian Winters are up to Three Times More Polluted Than Summer
Just like many other countries in the world, winter season in India brings with it a wave of air pollution. Those living in India are accustomed to heaving to breathe through thick blankets of smog. Many resort to using air purifiers at home and wearing masks while outdoors. But just how bad is the pollution […]
Here’s Why India’s Air Quality Is Worse During the Winter
Every winter, India’s PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. Hazy skies and high pollution alerts have become the norm during India’s winters. But just why is this? Analyzing India’s Summer & Winter Pollution Levels Data analyzed by Smart Air showed that India’s winter PM2.5 air pollution levels […]
Is an Air Purifier Needed for Every Room of a House?
Several people have asked me if they can use a purifier in the living room to clean their entire apartment. The benefit is that it’s easier to use just one purifier. Plus, noise isn’t an issue if the purifier is in the other room. But does it actually clean the air in the entire apartment? […]
What is UV Light and How Does it Kill Viruses?
UV light, or ‘ultraviolet light’, is a form of non-visible electromagnetic light. The main source of UV is the sun. There are three types of UV light: UV-A, UV-B, and UV-C. They’re differentiated by the wavelength of the light, with UV-A light has the largest wavelength, ranging from 315-400nm. UV-C light has the shortest wavelength, […]
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