Air Quality Archives - CMOS BULLETIN SCMO

Particulate Matter: A Milton Case Study

Written on October 6, 2024.

Introduction Particulate matter (PM), including PM1, PM2.5, and PM10, represents a risk to human health at elevated levels. Xu et al. suggest that PM concentrations can vary greatly due to meteorological...

CMOS Congress Outstanding Presentations

Written on August 26, 2024.

On June 3-6, 2024, the 58th annual Canadian Meteorological and Oceanographic Society Congress was held virtually with help from the Winnipeg Centre and the BC Interior-Yukon Centre. The theme of the...

A Way Forward on the Climate Crisis

Written on May 14, 2024.

– By Geoff Strong and Richard van der Jagt – Time is short for gaining control over our climate before it hits a tipping point, after which we lose the opportunity to turn things around. ...

The Great Smoke Pall of 1950 and Other “Dark Days” that have Blanketed Eastern North America

Written on September 24, 2023.

– By Kevin Hamilton – The extraordinary 2023 Canadian wildfire season has been in the public eye for much of this spring, but during June 7-8 the event entered a new phase of global media...

An overview of field work conducted on high-latitude mineral dust aerosol in the Ä’äy Chù Valley in Kluane National Park, Yukon

Written on August 7, 2022.

– By Arnold Downey – Mineral Dust Aerosol (MDA) is known to have an important influence on several environmental topics. Like all aerosol, MDA plays a role in the radiative balance of the atmosphere,...

Micrometeorological Variables and Atmospheric Dispersion Modeling in Two Climate Regions of Quebec

Written on July 27, 2020.

– By Richard Leduc, Ph.D., AirMet Science Inc., and Jean-François Brière, Ministère de l’Environnement et de la Lutte contre les changements climatiques The US-EPA (2019a) AERMOD dispersion...

skyscraper view of traffic lights and Vancouver tower

Air Pollution in the Time of COVID-19

Written on May 6, 2020.

– By D.G. Steyn, Department of Earth, Ocean and Atmospheric Sciences, The University of British Columbia, Vancouver, B.C., and Kyle Howe, Air Quality and Climate Change, Metro Vancouver Regional...

Visibility Forecast in Wildfire Smoke: An August 2018 Case Study

Written on April 27, 2020.

– By Yimei Li, Canadian Meteorological Aviation Centre, Environment and Climate Change Canada – In recent years, wildfire smoke has become an increasingly alarming natural disaster in Western...

Blue Sky Blues or the Three Degrees of Aircraft Pollution

Written on April 10, 2020.

– By Phil Chadwick – The title of this 2012 painting below, numbered 1260 in my artistic journey, is “Three Degrees”. That title might sound cryptic. Let me explain. All air...