Latitude

17° 58’ 12.4”N

Longtitude

102° 34’ 14.5”E

Altitude

175m

Code

LAA001

Address

Nahaidyo Road, P. O. Box: 7864, Vientiane, Lao PDR

Characteristics of sites :

Urban

Monitoring period (Precipitation) :

Daily

Monitoring period (Automatic monitor) :

Daily

Monitoring period (Filter pack) :

Biweekly

Starting Month :

October ‘03

Contact Organization :

Environment Quality Monitoring and Analysis Division, Natural Resources and Environment Institute, Ministry of Natural Resources and Environment (MONRE)


Monitoring
Items

Wet Deposition
Precipitation (pH, EC, SO42-, NO3-, Cl-, Na+, K+, Ca2+, Mg2+, NH4+)

Dry Deposition
Automatic monitors (NO, NO2, NOx, PM10/2.5)
Filter pack (SO2, HNO3, HCl, NH3, SO42-, NO3-, Cl-, NH4+, Na+, K+, Mg2+, Ca2+ )


Monitoring
Instruments

Rain sampler
Ogasawara US-330

Automatic Monitors
Environmental S.A AC32M (NO・NO2・NOx)
Environmental S.A MP101M (PM10)
DKK-TOA FRM377-1 (PM2.5)

Filter Pack Sampler
NILU(4 Stages)

Note:
Location: The rain sampler and the filter pack are at the rooftop of the MONRE. MONRE has an air quality monitoring station in the 3.38 km away place for NO, NO2, NOx, and PM10/2.5 monitoring.
Latitude- Longitude (MONRE): 17°59‘53"N- 102°34‘56"E (Precipitation, filter pack)