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Is air quality in China that bad?

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Smog torpedoed air quality in Beijing and 24 other Chinese cities this week, leading authorities to declare a national red alert for 'severe fog'—the highest level of alerts. This isn't the first time that smog has blanketed China. read more

The team scrutinized three years of air quality data for the measure known as PM 2.5, the fine particulate matter that is especially hazardous to health. One source of the data was the Chinese Ministry of Environmental Protection. read more

To answer this question, I’ll focus on particulate pollution (PM 2.5). This is the most commonly reported type of air pollutant, so we have the best data on it. read more

Smog torpedoed air quality in Beijing and 24 other Chinese cities this week, leading authorities to declare a national red alert for ‘severe fog’—the highest level of alerts. This isn’t the first time that smog has blanketed China. read more

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