The Air Pollutant Emission Factor Library is a collection of information from various sources such as international organizations' guidance, national reports, and literature sources.
You are free to use the information and also invited to enrich the contents with new data. To do that, kindly send an email to the database
maintenance team at the Finnish Environment Institute.
Links to other air pollutant emission factor databases:
UK NAEI (national)
US AP-42 (national)
TNO CEPMEIP(particles)