Heat Safety for City Residents in Summer
Dense streets hold heat, and many homes lack air conditioning. Knowing the warning signs and the simple precautions matters more than most people think.
Urban heat is real: pavement, buildings and limited shade can make a summer day feel much hotter on the street than the forecast suggests. Heat illness can affect anyone, but it hits older adults, very young children, outdoor workers and people with heart, lung or kidney conditions harder.
Know the warning signs
Early heat exhaustion can bring heavy sweating, dizziness, nausea, headache and cramps. Heat stroke is more serious and can cause confusion, a very high body temperature, fainting or a change in behaviour. Heat stroke is a medical emergency, and it calls for calling emergency services.
Stay cool and hydrated
Stay in the coolest space you can reach, whether that is an air-conditioned building, a library or a shaded park. Drink fluids regularly rather than waiting until you feel thirsty. Light clothing and rest breaks during strenuous activity help. Be careful with alcohol and with very large amounts of plain water in some medical situations, and follow any fluid advice given by a clinician.
Check on people who are at risk
Neighbours, relatives and building staff can make a difference. Check on older people who live alone and on anyone without working cooling. A quick call during a heatwave is often enough to spot a problem early.
Medications and existing conditions
Some medicines affect how the body handles heat. If you take regular prescriptions, ask a pharmacist or clinician whether heat changes your plan.
This is general safety information. In an emergency, call emergency services.
