Environment and Climate Change Canada has put out a heat warning for Wednesday, with an expected daytime high of 40°C with the humidex factor, as well as an overnight temperature of 20°C. Air quality is not expected to be an issue during this period.Who is most vulnerable to heat?
- People aged 65 and over or with reduced mobility
- People with chronic diseases
- People with mental health problems and alcohol or drug addiction
- Children 0 to 4 years old
How to help people vulnerable to heat?
- Check in on them regularly.
- Make sure they are following prevention advice and offer to find them help, if needed.
- Make sure they can spend time in a cool or air-conditioned place.
How can you prevent heat-related health problems?
- Drink a lot of water, even before you feel thirsty.
- Spend 2 to 3 hours a day in a cool, preferably air-conditioned place.
- Take at least 1 cool shower or bath a day, or cool your skin with a wet washcloth several times a day.
- Wear lightweight clothing.
- Reduce physical effort.
For more tips, info and resources please visit the 
Santé Montréal website.