About EANET
Site Information / Lao PDR - Vientiane

Vientiane Lao PDR

Latitude

17° 59’ 53”N

Longtitude

102° 34’ 56”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:
The air quality station for auto-monitoring is 3.38km away from the MONRE (17º58'12"N, 102º34'15"E), NO, NO2, NOx (ES.A AC32M), PM10 (ES.A MP101M), PM2.5 (DKK-TOA FRM377-1) are detected.