After choking in haze for nearly a week, people in north China can now take a deep breath, at least until the smog returns.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/north-china-breathes-fresh-air-after-longest-days-smog
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/china-daily
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring