webfact Posted March 20, 2019 Share Posted March 20, 2019 Northern pollution levels fall By Nisanart Kangwalwong The Nation While the Pollution Control Department (PCD) on Wednesday reported lower PM2.5 dust particle amounts in nine northern provinces, several stations still cited dangerous levels. Chiang Mai's Mae On district said it focused on creating the "safe zones" for the patient treatment and recuperation with the frequent spraying of water around hospitals. Mae On district chief Suthep Saenmongkol said his district had dense haze so hospitals were being targeted to help patients. As there are only four PCD air quality stations in Chiang Mai province, all in Muang and Mae Chaem districts, the PM2.5 level in Mae On was not released. Mae On at 9am on Wednesday reportedly had 104.8 mcg - doubling the Thai safety limit of 50mcg. The PCD 9am report said the nine northern provinces had PM2.5 particles ranging from 40 mcg to 130 mcg, which were all lower than the previous day. The department, measuring 24-hour averages of PM2.5, put Tambon Wiang Phang Kham in Chiang Rai’s Mae Sai district at 130 mcg, followed by Tambon Jong Kham in Mae Hong Son’s Muang district at 67 mcg and Tambon Wiang of Chiang Rai’s Muang district at 59 mcg. Source: http://www.nationmultimedia.com/detail/national/30366159 -- © Copyright The Nation 2019-03-20 Link to comment Share on other sites More sharing options...
Thailand Posted March 20, 2019 Share Posted March 20, 2019 Two days of afternoon wind probably dispersed it for a while. From the picture the sprinkling seems to be helping the grass to grow. Link to comment Share on other sites More sharing options...
DNPBC0 Posted March 20, 2019 Share Posted March 20, 2019 The Thai national 24 hrs average standard is 50 microgrammes per cubic metre (a real-time AQI of 137). This is twice the WHO guideline of 25 ....... and again, contrary to what The Nation continues to assert, there is no safety threshold. The continual promulgation of this myth is highly irresponsible. Link to comment Share on other sites More sharing options...
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