Ways you can help clear the air
http://www.gwrc.govt.nz/ways-you-can-help-clear-the-air
There are lots of things you can do to make a difference to the region’s air quality.
Cars are the main problem and the one thing that will make most difference is to use your car less, and walk, cycle or take public transport. Reducing vehicle usage overall will have other benefits for the environment and help reduce traffic congestion.