Sou 15 jen 2023, Lachin Environmental Monitoring Station, ansanm ak Estasyon Santral Meteyorolojik, National Air Polisyon Prevansyon ak Kontwòl United Center, Nòdès, Sid Lachin, Sidwès, Nòdwès ak Yangtze River Delta Rejyonal Air Quality Forecast Center ak Beijing Ec. ..
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