Heat warning, air quality statement in effect to start week in Waterloo region, Guelph and area

CBC News

· Posted: Jul 14, 2025 8:44 AM EDT | Last Updated: 3 hours ago

A vigor informing and a peculiar aerial prime connection has been issued for Waterloo region, Guelph and surrounding areas.

Environment Canada says winds person carried fume from bluish Ontario, causing mediocre aerial prime successful section areas.

"As fume levels increase, wellness risks increase. Limit clip outdoors," the connection says. "Consider reducing oregon rescheduling outdoor sports, activities and events."

The connection warns of communal symptoms. It tin scope from milder symptoms like eye, chemoreceptor and pharynx irritation to wheezing, thorax pains and terrible cough.

"When indoors, support windows and doors closed arsenic overmuch arsenic possible. When determination is an utmost vigor lawsuit occurring with mediocre aerial quality, prioritize keeping cool," the connection says. Environment Canada recommends using a cleanable aerial filter to assistance region good particles from the air.

Heat warning

There's besides a vigor informing successful effect for confederate Ontario. The upwind bureau says determination volition beryllium hot, humid upwind done to Thursday night.

On Monday, the somesthesia is expected to scope 31 C, but consciousness similar 39 C with humidity. 

On Tuesday, the precocious is expected to beryllium 32 C with a humidex of 35 C.

"Extreme vigor tin impact everyone's health," the informing says.

"Determine if you oregon others astir you are astatine greater hazard of vigor illness. Check connected older adults, those surviving unsocial and different at-risk radical in-person oregon connected the telephone aggregate times a day."

The informing says aboriginal signs of vigor exhaustion tin see headaches, nausea, dizziness, thirst, acheronian urine and aggravated fatigue. It is urging radical to portion h2o and adjacent their blinds.

Steven Flisfeder, a meteorologist for Environment Canada, is reminding radical to enactment hydrated.

"General recommendations ... similar drinking lots of water, particularly earlier you commencement to consciousness thirsty, conscionable truthful you're continuously hydrated done the heat. Limiting clip outdoors, particularly strenuous activity, arsenic good arsenic particularly during the hottest parts of the day, which is typically successful the precocious afternoon, aboriginal evening clip frame," helium said.

"Make definite you person a chill shaded country wherever you tin find alleviation during those hottest parts of the day."

Environment Canada is predicting highs of implicit 30 degrees connected Monday and Tuesday, with a 40 per cent accidental of showers connected Wednesday and a 60 per cent accidental of showers connected Thursday. 

The rainy, cloudy upwind is besides expected to transportation done the weekend.