Air Quality
Emissions under the microscope

New air emission inventory coming

Jul 4, 2019 | 3:49 PM

PRINCE GEORGE – The City is pulling together a new air emission inventory. The last was was done in 2010 and was based on 2005 data.

“The airshed has changed a lot in the last ten to fifteen years,” says Andrea Byrne, Environmental Assistant with the City, “Industry has made a lot of technological changes that has improved their emissions.”

The City is working with Northern Health and Peter Jackson with the Environmental Sciences Department at UNBC.

“An air quality inventory is really like a list of all the air pollutants that are going into the air, when it’s going into the air, how much is going into the air and how much is going into the air,” explains Jackson. “And it also details how high it’s being emitted, what the temperature of the emission is. That sort of thing.”

But, aside from pulled together the inventory, Jackson will be using that data to determine the source of emissions more specifically.

“Say you are downtown at the CKPG studio and the model says that the pollutant concentration is 25 micrograms per metre at a particular time and day, you can go back and say which of those came from where. How much came from the railway yard? How much came from the road and road dust and how much came from people burning wood in their fireplaces in your neighbourhood or whatever.”

A smoking gun, of sorts.

The data will be an invaluable tool in help the City set policy. It will also be used by groups like the Prince George Air Improvement Roundtable and Northern Health.