Fraser Valley, part of Metro Vancouver under air quality advisory over pollution

VANCOUVER — An air quality advisory has been issued for eastern Metro Vancouver and the Fraser Valley because of pollution.

The Metro Vancouver regional district issued the advisory about high concentrations of ground-level ozone, aggravated by the hot, sunny weather.

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Ground-level ozone is formed when pollutants react with the air because of sunlight.

The advisory says the high concentrations are expected to persist into Friday.

The warning says people should avoid strenuous outdoor activities during mid-afternoon or early evening when ozone levels are expected to be highest, especially if breathing feels uncomfortable.

It says infants, children, pregnant women, those with heart or lung conditions, diabetes, or respiratory infections such as COVID-19 may be at elevated risk.

This report by The Canadian Press was first reported July 30, 2020.

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