Ulaanbaatar Mongolia

Monitoring
Item

Wet Deposition
Precipitation (pH, EC, SO₄^2-, NO₃^-, Cl^-, Na⁺, K⁺, Ca²⁺, Mg²⁺, NH₄⁺)

Dry Deposition
Automatic monitors (SO₂, NO, NO₂, NOx, O₃, PM_10/2.5)
Filter pack (SO₂, HNO₃, HCl, NH₃, SO₄^2-, NO₃^-, Cl^-, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺)

Monitoring
Instrument

Rain sampler
ECOTEC Model-200

Automatic monitor
ESA PM101M (PM_2.5), Unknown (SO₂, NO, NO₂, NOx, O₃)

Filter pack sampler
NILU (4 Stages)

Note
SO2, NO, NO2, NOx, O3, and PM10 are monitored at the UB4 station in Ulaanbaatar. UB4 is one of 11 air quality stations managed by CLEM in Ulaanbaatar (47°55'3"N, 106°56'15"E).

Hourly monitoring: SO2 (ES.A AF22M), NO, NO2, NOx (ES.A AC32M), O3 (ES.A 42M), PM10 (ES.A MP101M).