1. EMFAC-HK Emission Factor Calculations (V4.3) and Working Example
https://aqia.epd.gov.hk/
(Revised in Jan-2024)
2. Templates for EMFAC Submission
Open road: (Revised in Jan-2024)
Public transport interchange and parking site:
3. Guideline on Use of Temperature and Relative Humidity Data for Vehicular Emission Factor Prediction
(Revised in Jan-2024)
4. Technical Note on Calculation of Start Emissions in Air Quality Impact Assessment
Enquiries can be made to the Senior Environmental Protection Officer of the Air Assessment Section at 2835 1221.