A strong cold front from China is forecast to blanket the north and northeast of Thailand and the South China Sea from Sunday until the middle of next week. This will cause temperatures in most of Thailand to drop, except in the south which will continue to see more rain.

According to the Meteorological Department, the mercury will steadily drop from Sunday and it will be windy until the cold front weakens in the middle of next week and temperatures gradually pick up.

Minimum temperatures in the north and northeast today range from 19-21^oC and 18-22^oC respectively. In the central region, minimum temperatures range from 22-24^oC while in Bangkok and vicinity, lowest temperatures range from 24-26^oC.

Air quality in Bangkok and neighbouring provinces continues to improve today, with only nine areas reporting excessive PM2.5 dust in the atmosphere. The highest concentration measured at 48.5μg on Ma Charoen Phet Kasem 81 Road in Nong Khaem district.

PM2.5 in Bangkok during the past 24 hours was between 20.3 and 59.3μg. The threshold level is 37.5μg.

The nine areas where the levels of PM2.5 exceeded 37.5μg are:

• Khlong Sam Wa district, 39.9μg
• Charan Sanitwong Road in Bang Phlat district, 38.9μg
• Krung Kasem Road in Pom Prap district, 40.9μg
• Rama 4 Road in front of Siam Yan Mitrtown, Pathumwan district, 37.7μg
• Bang Na – Trat Road in Bang Na district, 38.8μg
• Lat Krabang Road in Lat Krabang district, 38.1μg
• Srinagarind Road in Prawet district, 40.3μg
• Khlong Thawee Wattana Road in Thawee Wattana district, 38.1μg
• Ma Charoen Phet Kasem 81 Road in Nong Khaem district, 48.5μg