Concentrations of small particulate matter have significantly decreased in Quesnel leading to the end of an air quality advisory on Wednesday, Nov 3. (Rebecca Dyok photo)

Air quality advisory ended for Quesnel

The advisory was in effect due to elevated concentrations of fine particulate matter

Update: 12 p.m. Wednesday, Nov. 3

An air quality advisory issued Monday, Nov. 1 for Quesnel has been lifted.

Northern Health and B.C.’s Ministry of Environment & Climate Change Strategy ended the advisory several days later.

“Changing meteorological conditions have improved conditions across the region,” reads a media release on Wednesday, Nov. 3.

Original story: 12 p.m. Monday, Nov. 1

An air quality advisory is in effect for Quesnel.

The Ministry of Environment & Climate Change Strategy and Northern Health issued the advisory the morning of Nov. 1. High concentrations of “fine particulate matter” (PM 2.5) are expected to remain until the weather changes.

The concentration of PM 2.5 per metre squared is 28.7 in Quesnel, over the advised safe limit of 25.

“Exposure is particularly a concern for individuals with chronic conditions such as asthma, COPD, heart disease, and diabetes; respiratory infections such as COVID-19, pregnant women, infants, and older adults,” the advisory reads.

“Persons with chronic underlying medical conditions or acute infections should postpone or reduce strenuous exercise until the advisory is lifted.”

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Fine particulate matter is airborne solids or liquids smaller than 2.5 micrometres.

“(Fine particulate matter) levels tend to be highest around busy roads, industrial operations and neighbourhoods with residential wood burning,” the advisory reads.

“PM2.5 can easily penetrate indoors because of their small size. Sources of PM2.5 contributing to this air quality episode include emissions from wood smoke (woodstoves) as well as emissions from industry and transportation sources such as automobiles, trucks and rail traffic.”

The notice suggests avoiding roads with heavy traffic, reduce outdoor activity if breathing becomes difficult and if needed retreat to indoor areas with filtered air.

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