Bill Bishop/Sinocism

China World Trade Center Tower III is more than 1,000 feet tall and can't be seen today in Beijing.

On the left, a photo that Sinocism’s Bill Bishop snapped today in Beijing. On the right, the exact same vantage on a clearer day, revealing that the smog in Beijing right now is dense enough to obscure a thousand-foot-tall skyscraper.

The air quality index maintained by the US embassy in Beijing was off the charts today, Feb. 28. State-run media called it a “sand storm,” but high levels of pollutants in the air pointed to smog, instead.

This post originally appeared on Quartz, an Atlantic partner site.

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