ASE & MSE

Overview

ASE instrument and observation methods

Overview of ASE

MSE instrument and observation methods

Overview of MSE

Flight Statistics

Data obtained by ASE and MSE are listed below (since Dec 2005).

latest CO2 data for the SYD line including those in the first ASE phase (1993-) are available at World Data Center for Green house Gases (WDCGG).

Flight Statistics Update

Locations and Statistics of Air Samples (as of Mar 2023)

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Number of Sampling Flights
ASE 397
MSE 89
Total 486
Number of Air Samples
ASE 4608
MSE 1114
Total 5722
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Number of Air Samples in 5° bins (as of Mar 2023)

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Year Date From/To Aircraft
2023 17 Jan ORD JA732J
2023 14 Feb ORD JA735J
2023 15 Feb SYD JA868J
2023 15 Mar SYD JA882J
Number of Sampling Flights (2023)
ASE 0
MSE 4
Total 4
Number of Air Samples (2023)
ASE 0
MSE 48
Total 48
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Jump to Annual Statistics

List of Airports

Air samplings are conducted between the Narita or Haneda airport (Japan) and one of the following airports:

Asia
BKK Bangkok, Thailand
CTS Chitose, Japan
FUK Fukuoka, Japan
HKG Hong Kong, China
ICN Incheon, South Korea
ISG Ishigaki, Japan
OKA Naha, Japan
SHA/PVG Shanghai, China
SIN Singapore, Singapore
Pacific
BNE Brisbane, Australia
CNS Cairns, Australia
GUM Guam, USA
HNL Honolulu, USA
SYD Sydney, Australia
Europe
CDG Paris, France
DME Moscow, Russia
LHR London, UK
North America
JFK New York, USA
LAX Los Angels, USA
ORD Chicago, USA
SFO San Francisco, USA