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Metro Vancouver issues air warning 0

By Christopher Pollon

The hotter the temperatures get, the hazier Vancouver gets. (FILE PHOTO/24 HOURS)

The hotter the temperatures get, the hazier Vancouver gets. (FILE PHOTO/24 HOURS)

Metro Vancouver has issued an air quality advisory for eastern areas and the Fraser Valley as a peak in ground-level ozone is expected to persist during the latest hot streak.

Ground-level ozone is formed when nitrogen oxides (pollutants emitted when fuels are burned) and volatile organic compounds (emitted from solvents) are exposed to sunlight.

Infants, the elderly, and those with underlying ailments like asthma, lung ailments and heart disease should avoid strenuous outdoor activities during mid-afternoon hours, when ozone levels peak.

“If you are experiencing symptoms such as chest discomfort, shortness of breath, cough or wheeze, follow the advice of your health-care provider and stay indoors in air conditioned spaces,” reads the advisory.

The warning is expected to stay in effect until there is a change in the current hot weather.

Such advisories have been on the decline in recent years according to Julie Saxton, Air Quality Planner Metro Vancouver, with no advisories issued last year at all, and just one in all of 2012. She says elevated levels of ground-level ozone tend to peak when there is just the right mixture of hot, sunny weather, nitrous oxide and VOC emissions.

 

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