CityNews – Today the PM10 level at Chiang Mai City Hall reads 147 microgram/ m^3, and at Yupparart School the reading is 138 microgram/m^3.
These rates are generally considered harmful, especially to children, the elderly, and people with respiratory diseases. These groups should avoid doing outdoor activities. People are advised to use protective masks if they spend a lot of time outdoors.
? ? 7 ?
? 120 ? (µg/m3) ? 11 ? 57 ? ? 8.00 ?.? 17 ? 57 ? (PM10) ? ? 147 ? ? ? 138 ? ? ? ? PM10 ? 25 ? ?? ? ? ? ? ? ? ? ?