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Residents Warned to Stay Inside as Toxic Smog Blankets Northern Thailand – CTN News Chiang Rai TimesThick smog blanketed Chiang Rai's Mae Sai district Friday morning when PM2.5 rose to 203 micrograms per cubic meter, inducing poor visibility. ShaResidents Warned to Stay Inside as Toxic Smog Blankets Northern Thailand – CTN News - Chiang Rai Times
Residents Warned to Stay Inside as Toxic Smog Blankets Northern Thailand – CTN News Chiang Rai TimesThick smog blanketed Chiang Rai's Mae Sai district Friday morning when PM2.5 rose to 203 micrograms per cubic meter, inducing poor visibility. Share on ... Read more