Nitrate emissions from cars and factories are now the main component of PM2.5 in some parts of Beijing. Photo: EPA

Beijing’s air pollution is changing, new research shows

  • Nitrates now the main component of the potentially harmful PM2.5 particles, report says
Topic |   China pollution

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Nitrate emissions from cars and factories are now the main component of PM2.5 in some parts of Beijing. Photo: EPA
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