An image of Beijing often brings to mind an image of hazy, smoggy, polluted skies. Despite huge improvements in PM2.5 levels in recent years, Beijing’s air quality levels are still unsafe.
China’s economy has rebounded in 2021 from major slowdowns due to COVID-19 the previous year. But has the economic rebound come at the cost of more air pollution and worse air quality in China’s major cities? Smart Air analyzed PM2.5, PM10, and ozone pollution data for 10 major Chinese cities …
On paper, China’s “war” on air pollution is still underway. But with COVID-19 disrupting the first half of 2020, has air quality really improved? Smart Air analyzed PM2.5 data for 11 of China’s major cities to get to the bottom of it. The data showed average PM2.5 reduced 9% compared …
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 …
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 …
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. …
