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.
Recently, the Coronavirus has begun to sweep Beijing again. Among so many surgical masks, how should we choose which brand surgical mask to wear, not only against with virus but also away from sweating. Our Smart Air tested 10 surgical masks that were purchased from different pharmacies and come up …
Recent news reported that the coronavirus lockdown is causing dramatic reduction in air pollution across India due to coronavirus lockdown. This is good news for lungs across the subcontinent, since Indian cities often make news as some of the most polluted in the world. Some cities average PM2.5 ten times …
Tests of masks marketed as N95 from 21 manufacturers show that half of Chinese N95 masks fail quality tests–with some masks filtering no better than a cotton cloth. These tests come at a time that many countries around the world are scrambling for masks and other PPE. Factories Spring Up …
This article accompanies our article on the reliability of KN95 masks being produced in China during the COVID-19 pandemic. It covers our testing method and provides the original data. China N95 Masks – Test Method During our mask tests, we followed as closely as possible the testing method used to …
The lockdown caused by the COVID-19 epidemic saw the numbers of trucks and buses on the road reduce by 77% and 36%, respectively. Hundreds of factories were also closed for an extended period of time. Despite Smart Air analysis showing an increase in PM2.5 levels during February, there have been …
Delhi often makes headlines as one of the most polluted cities in the world, but has the coronavirus lockdown starting March 25th dramatically cut pollution in the capital? News outlets have reported reductions in pollution, but reports of reductions in Beijing were later disproven by data on the ground. A …
While masks are in short supply during the coronavirus pandemic, the shortage is prompting people to ask if UV light disinfects masks. This is a critical question for frontline healthcare workers, as they scramble for ways to safely re-use masks. Here’s the problem. We know that UV-C light kills …
Recent news reports have proclaimed a dramatic reduction in China’s air pollution during the coronavirus lockdown, yet data shows Beijing has actually seen pollution levels rise during this period. The headlines are based on images from NASA, finding that air pollution dropped 10-30% compared to the same period in 2019. …
A Smart Air analysis of new air quality data found that pollution improved in 2019 in all major cities in india. Small PM2.5 particles in the air decreased from 2018 to 2019 by as much as 15.5%. Delhi Air Quality Even though all cities saw pollution decrease, Delhi saw just …
A Smart Air analysis of new air quality data Beijing’s PM2.5 pollution dropped 11% in 2019 from the year before. Combined with progress in earlier years, Beijing has cut its PM2.5 in half compared to 2014. Beijing’s improvement suggests that the 2013-2017 Clean Air Action Plan, with its tens of …
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