NSW Ambulance paramedics are being kept busy with people suffering heat-related symptoms, including heat stroke and collapse.

Just today, paramedics have attended 55 cases of heat, dizziness and fainting across NSW.

28 cases alone were recorded in the Sydney Metro Area, with ages ranging from 11 to 90 years old.

NSW Ambulance is urging people heed health advice as temperatures soar this week.

The mercury is set to hit 44 degrees in Sydney’s west today and 42 tomorrow.

Police are particularly concerned about children and pets being left in cars.

Children and older people who live alone are especially at risk of the hot conditions.

Beat the Heat tips:

• Stay well-hydrated

• Avoid alcohol and hot or sugary drinks

• Limit your physical activity

• Try to stay out of the sun during the hottest part of the day and if you can, spend some time in an air-conditioned building.

• Wear light, loose-fitting clothing made from natural fibres like cotton

• Regularly check your local forecast from the Bureau of Meteorology.

• Get advice from your doctor about whether your medication and/or your medical conditions may affect what you should do if it gets extremely hot

For more information, visit the Beat the Heat website here.

For bushfire information visit the Rural Fire Service website here.