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Cities issue alerts as smog returns to north China
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Beijing activated an orange alert for pollution that took effect on Monday at noon, as local authorities noted low visibility in the city.
PHOTO: REUTERS
Yang Yuqi and Kelly Wang
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BEIJING - Smoggy days have made a comeback to North China this autumn, as officials in some 20 cities in the Beijing-Tianjin-Hebei megalopolis region and neighbouring areas have issued warnings for heavy air pollution
Beijing activated an orange alert for pollution that took effect on Monday at noon, as local authorities noted low visibility in the city and advised residents to take adequate health protection measures, according to a Sunday announcement.

