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Map: Air quality advisory issued for the Metro Vancouver region

This interactive map shows which parts of Metro Vancouver have poor air quality.
Hot temperatures in the Metro Vancouver weather forecast have prompted the region to issue an air quality advisory in May 2023.

An air quality advisory has been issued for Metro Vancouver due to high concentrations of ground-level ozone.

The Metro Vancouver Regional District issued an advisory on Monday afternoon (May 15), warning of poor air quality that is expected to persist until temperatures cool down. 

Environment Canada's special weather statement remains in effect for the region, with daytime highs expected to soar roughly 10 C to 15 C above seasonal averages and overnight lows ranging from 5 C to 10 C above normal.

While the Metro Vancouver weather forecast includes slightly cooler temperatures on Tuesday, they will remain several degrees above what is normally experienced this time of year.

The advisory notes that wildfire smoke from the Davis Lake fire (near Mission, B.C.) has worsened hazy conditions in the northeast part of the region but "fine particulate matter concentrations" are well below air quality advisory levels. 

Metro Vancouver-Northeast, the Central Fraser Valley, and the Eastern Fraser Valley have a "moderate" health risk on the Air Quality Health Index, meaning that at-risk populations should "consider reducing or rescheduling strenuous activities" outside if they experience symptoms. The general population won't need to change their behaviour unless they experience throat irritation or coughing.

The air quality advisory will remain in effect until further notice. 

Have a look at the parts of Metro Vancouver that are affected by poor air quality with this interactive map

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