National Pollutant Inventory (NPI) data for 2022-23 now available

Dept of Climate Change, Energy, Environment & Water

Each year, more than 4,000 industrial facilities estimate their emissions and waste transfers of toxic substances and report them to the NPI. Now in its 25th year, this data helps communities, governments and researchers understand and monitor the sources of industrial pollution and waste and helps identify priorities for decision making.

The NPI provides information for 93 substances and provides the source and location of substance emissions around Australia.

Search NPI data

Download NPI data on

The NPI is a shared program between the Australian Government and state and territory governments. Data is collected from facilities by state and territory agencies and this data is collated and published on the NPI website.

/Public Release. View in full here.