Still no action taken on threatening of forest patroller

Still no action taken on threatening of forest patroller

Bangkok issues air pollution warning

BANGKOK • Residents of Bangkok, one of the world’s top tourist destinations, were warned yesterday that the city’s air quality had hit dangerous levels, just days after the pollution control agency appealed to residents to wear face masks.

Air pollution in the Thai capital has come under increasing scrutiny in recent weeks, with residents complaining of smog and respiratory problems. Some schools were closed yesterday while others kept children indoors.

Air Quality Index (AQI) formulas usually include up to six main pollutants including PM2.5, PM10, carbon monoxide, sulfur dioxide, nitrogen dioxide and ground-level ozone.

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