Smog Calculator

Ever wondered how much soot you are breathing in every day? Use the calculator below to work out how much hydrocarbon is produced in your local area.

Average Daily Traffic** cars per day

The average New Zealand car is estimated to
produce 2gm of HC per kilometre*

*Source and definition
** indicative numbers only - source Transit New Zealand

Average New Zealand Car

days

is how long it would take to deposit 1 tonne of soot into the atmosphere based on the number of cars driving past this location each day. This is equivalent to

tonnes

of soot per year

Average New Zealand Car

Low Emission Vehicles

days

is how long it would take to deposit 1 tonne of soot into the atmosphere if the cars were (LEV II) Low Emission Vehicles like the Honda Accord, Civic, CR-V and Odyssey.

Low Emission Vehicles

Ultra Low Emission Vehicles

days

is how long it would take to deposit 1 tonne of soot into the atmosphere if the cars were Ultra Low Emission Vehicles like the Honda Insight and the Honda Civic Hybrid.

Ultra Low Emission Vehicles