Individual locations of sampling
stations are described in Figure 1. At all of these sites, the
measured air pollutants were particulate matter (PM10), carbon
monoxide (CO), nitrogen dioxide (NO2), sulphur dioxide (SO2),
ozone (O3) and benzene. Field measurements of air pollutant
levels in Bangkok streets were spread over the period from
January to December, 2001. In each monitoring station, on-line
analyzers were used to monitor continuously various air
pollutants and the data recordedfor sessions of hourly, daily
(weekday), weekend and monthly. The system provides four
Individual locations of sampling stations are described in Figure 1. At all of these sites, the measured air pollutants were particulate matter (PM10), carbon monoxide (CO), nitrogen dioxide (NO2), sulphur dioxide (SO2), ozone (O3) and benzene. Field measurements of air pollutant levels in Bangkok streets were spread over the period from January to December, 2001. In each monitoring station, on-line analyzers were used to monitor continuously various air pollutants and the data recordedfor sessions of hourly, daily (weekday), weekend and monthly. The system provides four
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