Figure 1
From: Association between ambient air particulate matter and human health impacts in northern Thailand
(a) Annual mean PM10 concentrations (μg/m3) of 16 monitoring stations in northern Thailand during 2014–2018 and (b) Annual mean PM2.5 concentrations (μg/m3) of 16 monitoring stations in northern Thailand during 2016–2018 (For guideline value: PM10 Thailand annual mean = 50 μg/m3, PM2.5 Thailand annual mean = 25 μg/m3, PM10 of World Health Organization (WHO2) annual mean = 15 μg/m3 and PM2.5 WHO annual mean = 5 μg/m3).
