PATH v2.1 Download
Air Quality Module
PATH_v2.1 (Last updated: 27-Sep-2021 Size: 162MB md5sum: e8e3f1461875fb6114a9c23b7187eff8)
Readme (Last updated: 01-Jul-2021)
Meteorology Input
Year 2015 (Last updated: 01-Jul-2021 Size: 74GB md5sum: d019a597417e454b2d59cb1b3ad5ec7d)
Emission Input
Year 2022 (Last updated: 01-Jul-2021 Size: 14GB md5sum: 7317b940d6045eff6fc7cddb48c744bb)
Year 2023 (Last updated: 01-Jul-2021 Size: 14GB md5sum: 345694e6c41177c8eba3bc4e86c8d799)
Year 2024 (Last updated: 01-Jul-2021 Size: 14GB md5sum: 35f1d109221d4d0c093542aaa225b1f8)
Year 2025 (Last updated: 01-Jul-2021 Size: 12GB md5sum: a5998d1e9f373ca5f9e2f60379147dd8)
Emission Editor and Extractor
Readme (Last updated: 01-Jul-2021)
Initial and Boundary Conditions
Year 2022 (Last updated: 01-Jul-2021 Size: 75GB md5sum: 2ad65feb2da6c4e47519ac03406ce1f9)
Year 2023 (Last updated: 01-Jul-2021 Size: 75GB md5sum: c3d63b4b2b3240f74c07979cd3500681)
Year 2024 (Last updated: 01-Jul-2021 Size: 75GB md5sum: 8e95f37fe477df31bf5faa694f519b4d)
Year 2025 (Last updated: 01-Jul-2021 Size: 75GB md5sum: 2efaf399b9f4022194b8fa2b6ba3899e)
Standard Hourly Pollutant Output
Grid (GIS)
Other information
→ Go to PATH v2.1 Data Dissemination
Hong Kong Emission and Air Quality Scenario Projections beyond 2025
Introduction
To provide a reference on the overall projected air quality in Hong Kong for the air quality impact assessment (AQIA) beyond 2025, the EPD has reviewed the latest emission & air quality trends, and air emission control strategies to derive scenario projections for the following assessment year(s).
- Year 2030
- Year 2035
It should be noted that the assumptions for the scenario projection(s), as provided below, are derived based on the expected outcomes at the specified time. It is not a policy commitment by the Government, and interested parties should evaluate the appropriateness of the assumptions with respect to each case's specific conditions & requirements at the time of AQIA, and make appropriate adjustments/refinements as necessary.
Assumptions for Scenario Projection
Emission Input
- Year 2030 (Last updated: Sep-2022 Size: 16GB md5sum: 3d37409a6a89f159217aac5e4c8ee175)
- Year 2030 (area) (Last updated: Sep-2022 Size: 1.2GB md5sum: 4670d2bc9229eda2627d76626d3ff28a)
- Year 2030 (marine) (Last updated: Sep-2022 Size: 2.5GB md5sum: 08afc116948a8fd5ce1710404495997f)
- Year 2030 (mobile) (Last updated: Sep-2022 Size: 999MB md5sum: cfc93b65095435d036fa058f0734ea24)
- Year 2035 (Last updated: Dec-2022 Size: 16GB md5sum: d2d940acd9d47f8e9cd421d586a53dc5)
- Year 2035 (area) (Last updated: Dec-2022 Size: 1.2GB md5sum: 50b2df94633d650fe355cffc4a15bca0)
- Year 2035 (marine) (Last updated: Dec-2022 Size: 2.5GB md5sum: d99981d48faa48fb6a16d5ec2c681d85)
- Year 2035 (mobile) (Last updated: Dec-2022 Size: 999MB md5sum: 656aca6743635ead0bca3b79eaade639)
Initial and Boundary Conditions
- Year 2030 (Last updated: Sep-2022 Size: 75GB md5sum: d863a396c0c560211b86eb9ee6704af1)
- Year 2035 (Last updated: Dec-2022 Size: 75GB md5sum: fdff11cdc4d3e9260962b190c294d3df)
Hourly Pollutant Output
- Year 2030 (Last updated: Sep-2022 Size: 1.2GB md5sum: 26343c657fe5320baac61b3a5c85be80)
- Year 2035 (Last updated: Dec-2022 Size: 1.2GB md5sum: 13838924bb7d905b5ca4250defdd885c)
→ Go to PATH v2.1 Data Dissemination for Scenario Analyses beyond Year 2025
Remarks:
Input and output for more future years will be available from time to time.
EPD will not help with any computer related issues in setting/running the model. You are suggested to approach IT experts in the field if needed.
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