It is probably not a good idea to venture outside at the moment if you are living in some areas of Bangkok, Ayutthaya, Chiang Rai, Lampang, Lumpoon, Maehongson, Nan, Phayao and Chiang Mai due to the bad air quality. You should also consider wearing face masks in Chachoengsao, Nonthaburi, Samut Prakan, Samut Sakhon and Saraburi. The chart above is released by the Pollution Control Department and shows the air quality index for yesterday. The column of interest is PM10. It’s a measure of parts per million that are smaller than 10 microns and therefore able to lodge in the lungs. The acceptable maximum is 120. The locations which have dangerous levels are marked in red. You can check air quality for yourself at their website for Bangkok and the Regions of Thailand. Looks like we should all be heading south to the islands or even, apparently, to Pattaya in Chonburi!