Wildfire pollution can travel far beyond the flames, reducing air quality across nearby towns and communities. For many people, short-term exposure causes only temporary discomfort, but those with existing health conditions may be more vulnerable.
Common symptoms include coughing, sore or irritated eyes, a scratchy throat, shortness of breath, headache, dizziness and nausea. Most mild symptoms improve after moving indoors and reducing exposure to polluted air.
<h3>Stay Indoors When Air Quality Is Poor</h3>
If wildfire pollution is visible or strongly noticeable in your area and there is no immediate danger from the fire itself, staying indoors is one of the most effective ways to reduce exposure.
Keep windows and external doors closed until air quality improves. UK Health Security Agency guidance notes that this can substantially reduce the amount of harmful airborne pollution entering a home, even in older properties.
Avoid unnecessary outdoor exercise while air quality remains poor. Physical activity increases breathing rate, which means more polluted air can be drawn into the lungs.
If you are travelling by car through an affected area, close the windows and use the ventilation system on recirculation where possible.
<h3>Heat Can Create Another Problem</h3>
Keeping windows shut during warm weather can make homes uncomfortable.
If indoor temperatures rise, move to the coolest room available, drink water regularly and reduce strenuous activity. Once conditions outside have improved, reopen windows to ventilate the property.
The priority is to balance protection from polluted air with avoiding excessive heat.
<h3>Who Needs Extra Care?</h3>
Some people are more likely to experience problems from wildfire-related air pollution. These include young children, older people, pregnant people and anyone living with long-term heart or lung conditions.
People with asthma or chronic obstructive pulmonary disease may notice coughing, wheezing, breathlessness or worsening of their usual symptoms.
<b>UKHSA public-health specialists advise people in higher-risk groups to minimise exposure to wildfire pollution, remain indoors when necessary and follow their existing treatment plans.</b>
Keep prescribed inhalers and medicines nearby and continue taking regular preventive treatment as directed. Do not start additional medication or a rescue pack unless this forms part of an existing medical plan or you have received advice from a healthcare professional.
<h3>Symptoms Can Appear Later</h3>
Not every reaction happens immediately.
Respiratory irritation or worsening of an existing condition can develop after the initial exposure, so continue monitoring how you feel during the following hours and days.
If coughing or breathlessness persists, particularly if you already have a lung or heart condition, seek medical advice.
<h3>When to Get Medical Help</h3>
Mild irritation that improves once you are away from polluted air can usually be monitored at home.
Medical attention becomes more important if breathing grows difficult, asthma or another respiratory condition becomes harder to control, or symptoms are not improving. NHS services advise seeking urgent help for a severe asthma attack or serious breathing difficulty.
In the UK, NHS 111 can provide urgent medical advice and may also help if essential repeat medication cannot be accessed. For severe breathing difficulty or another medical emergency, call 999.
<h3>Reduce Exposure to Harmful Particles</h3>
Wildfires release fine particles and other pollutants capable of irritating the respiratory system. A strong smell is therefore not the only indication that the air may be unhealthy.
The simplest approach is also the most useful: move away from affected areas when possible, stay indoors while pollution levels remain elevated, avoid strenuous outdoor activity and pay attention to worsening symptoms.
<b>For most people, the effects of brief exposure will pass. The main priority is limiting how much polluted air you breathe and acting early if breathing problems become significant.</b>