EJQ4 - Spring 2025 - Journal - Page 22
ties across the country. Stations that continuously monitor not just particulate matter, but sulphur dioxide, nitrogen dioxide, ozone and carbon
monoxide.
And over the past eight years, IQ Air has worked in tandem with a mix of
government partners, private companies and concerned citizens to set up
what now exceeds 1,200 monitoring stations in over 300 cities focussed
primarily on the measurement of PM 2.5 air pollution.
Apart from the ongoing expansion of this real time, public and private
air quality early warning system, innovative remote sensing technologies have also been developed to measure pollutants as well, thanks to the
likes of Dr. Ke Du with the University of Calgary.
A VIEW OF CHARRED FOREST LANDSCAPE
AFTER THE WILDFIRE IN JASPER, ALTA ON
SEPTEMBER 12, 2024. CREDIT: GETTY IMAGES
In the course of his research of black carbon, haze and other air quality
issues tied less to 昀椀res and more to rapid urbanization, Du has developed
a digital photography solution as well as techniques
that harnesses LIDAR technology (Light Detection
and Ranging) to measure the opacity of PM plumes
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from industrial sources. Making it easier to monitor
AIR POLLUTION RISK FOR CANADIANS
and report air quality compliance for local o昀케cials.
E N V I RON M E N T J OURN A L QUA RT E RLY RE PORT • S PRI N G 2 0 2 5 • P AGE 2 2
