Published: Wed, August 15, 2018
Global News | By Blake Casey

Air quality poor as wildfire smoke drifts back over Calgary

Air quality poor as wildfire smoke drifts back over Calgary

"The only way we'll see some relief from the smoke is if there's a drastic weather pattern, but we don't see that in the forecast right now", Edler said.

Smoke closer to the ground is impacting air quality and public health.

Portland Parks and Recreation has moved all scheduled outdoor activities indoors and is gearing up to cancel or postpone activities if air quality reaches "very unhealthy" levels.

Mercer said it's hard to predict what the smoke will do next week, but forecasters are keeping an eye on the wildfires to the south, east and north of the Puget Sound area. Winds Tuesday afternoon could help clean the air. The concern is greatest for infants, the elderly, and those with diabetes or lung or heart disease.

Over the course of the next couple of days, air quality from the Crowsnest Pass, east to the Taber area, south to the US border and north to the Calgary area, is expected to drastically deteriorate.

If you open the windows you may let in more polluted air.

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In Oregon, fires in the southern part of the state and in Washington are also causing smoky, hazy conditions.

While conditions should clear up in the Lewis County area soon, the ongoing blazes mean the smoke might not be gone for good.

"We are expecting westerly winds aloft throughout most of this week", she said.

To see only wildfire smoke, look just at fine particulates, listed as PM 2.5, DEQ spokeswoman Katherine Benenati said. We are forecasting for GOOD to MODERATE air quality Wednesday and beyond.

During a wildfire, air quality is volatile and subject to rapid change over short durations.

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