Guide | July 31, 2023
How to avoid allergens at outdoor events
As the sun shines and the weather warms up, outdoor events become a popular choice for entertainment and social gatherings. However, for individuals with allergies, outdoor settings can trigger allergic reactions, affecting sporting performance, enjoyment, and overall wellbeing.
This doesn’t mean you have to put outdoor fun on hold for the entire allergy season, however. We take a look at the proactive measures allergy sufferers can take to avoid outdoor allergens and help prevent flare-ups.
Avoiding outdoor allergens
Here are some of the key allergens to be aware of at outdoor events, and how to avoid them.
Pollen
Pollen is one of the main allergens found during outdoor activities. Trees, grasses, and weeds release pollen into the air to fertilise other plants. For allergy sufferers, exposure to airborne pollen can lead to symptoms such as sneezing, itchy eyes, and nasal congestion.
To minimise pollen exposure, it’s a good idea to check local pollen forecasts before attending outdoor events. Ideally, choose days with lower pollen counts or when the types of pollen causing your allergies are less prevalent. Pay attention to weather conditions such as wind speed and humidity, as they can impact the dispersal of pollen.
Wearing sunglasses and a wide-brimmed hat can help protect your eyes from pollen. Using eye drops can help, as can taking antihistamines beforehand. When returning home, remember to remove and wash your clothes as soon as possible to prevent pollen transfer to indoor spaces. You can use a saline nasal wash to remove pollen and other allergens. Splashing your eyes with water helps remove any allergens too.¹
Grass and ragweed pollen
Grass and ragweed allergens can cause discomfort during outdoor events held on fields or lawns. Grass and ragweed allergy symptoms may include sneezing, itchy or watery eyes, and skin rashes.
To manage grass and weed allergies, avoid sitting directly on grassy areas. Instead, choose seating options like deckchairs, or bring a picnic blanket to create a barrier between yourself and the allergens.
Mould
Mould spores thrive in damp environments, making outdoor events held near water or in humid regions susceptible to mould growth. Common symptoms associated with mould allergies include coughing, wheezing, nasal congestion, and skin irritation.
To reduce exposure to mould spores, try to avoid places where aspergillus mould is often found, such as near compost heaps and areas with dead leaves. It’s also recommended to choose well-ventilated seating away from areas with visible mould or excessive moisture. Regularly cleaning sports equipment, clothing, and gear can prevent mould growth and minimise the risk of allergic reactions.
Insect stings and bites
Insects are unwelcome guests at most outdoor celebrations. Such events often attract various insects, including bees, wasps, mosquitoes, and ticks. For individuals allergic to insect stings or bites, an encounter with these creatures can lead to severe allergic reactions, ranging from localised swelling to anaphylaxis.
To help prevent insect-related allergies, use insect repellents, wear long-sleeved shirts, long trousers, and closed-toe shoes to minimise exposed skin. It’s also important to be aware of your surroundings and avoid areas where insects are more likely to gather, such as bins and stagnant water.
Practical outdoor allergy tips
1. Time your outdoor activities wisely
Timing your outdoor activities can reduce exposure to outdoor allergens. Pollen levels are typically highest in the early morning and evening when the air is calm, allowing pollen to settle closer to the ground. Plan your events for midday or early afternoon, as pollen counts tend to be lower during these hours.
2. Choose the right location
When selecting an outdoor event venue, consider the surroundings and vegetation. Avoid locations with a high concentration of trees or blooming flowers, as they are likely to release more pollen into the air. Fewer airborne allergens tend to be found in areas with well-maintained lawns, and open spaces with a steady breeze can help disperse allergen particles.
3. Consider allergy medications
Allergy medications, such as over-the-counter antihistamines, nasal sprays, and eye drops, can help alleviate symptoms. Consult with a healthcare professional to determine the most suitable medications for your specific allergy symptoms. Take medications as recommended and consider taking them prior to attending outdoor events to pre-emptively manage symptoms.
4. Carry essential allergy relief items
Prepare a small allergy relief kit to bring along to outdoor events. Include items such as tissues, wet wipes, hand sanitiser, and a spare pair of sunglasses. These items will allow you to quickly wipe away pollen particles and maintain cleanliness, reducing the risk of allergic reactions.
It’s important to understand outdoor allergy triggers so you can minimise exposure and maximise your enjoyment of outdoor events. Reducing the impact of pollen allergies means you can confidently embrace outdoor events and make the most of the beautiful weather.
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Allergens
An allergen is a substance that can cause an allergic reaction by triggering the body’s immune system. Common indoor allergens include dust mite droppings, pet dander, mould, and pollen.
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Bacteria
Microscopic, single-celled organisms that exist in their millions, in every environment. Not all bacteria are harmful, but some can have adverse effects, such as E. coli.
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Benzene
Benzene is colourless, flammable liquid produced by both natural and man-made processes. It’s a natural part of crude oil, gasoline, and cigarette smoke. Indoors, it comes from products such as glues, paints, furniture wax, and detergents.
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Carbon dioxide (CO₂)
A colourless greenhouse gas, which comes from the extraction and burning of fossil fuels. Increased CO₂ levels can impact cognitive function.
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Formaldehyde
This colourless, flammable gas is used in some building materials and household products. Sources can include some fabrics found in flooring and furniture, glues, paints, varnishes, air fresheners, and household cleaners.
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H1N1 virus
This subtype of Influenza A virus, also known as swine flu, caused a global flu outbreak. H1N1 produces respiratory infectious diseases in humans and pigs. Symptoms can be similar to seasonal flu.
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HEPA 13
HEPA (High Efficiency Particulate Air) is an air filter efficiency standard and a measure of a filter’s performance. To achieve this standard, filters must meet a minimum of 99.97 per cent particle removal at the most penetrating particle size.
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Humidification
A process of increasing air moisture content through the addition of water vapour or steam. Humidifiers can add moisture to the air in dry conditions, creating a more comfortable indoor environment when needed.
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Microns
Airborne particles are usually described in microns. One micron is equal to one-millionth of a metre. The human eye can see debris and dust that are approximately 25 microns in size.
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Nitrogen dioxide (NO₂)
Nitrogen dioxide is a liquid below 21.2 °C and a gas at higher temperatures. It is toxic to humans in both states. Gas stoves and space heaters are the most common indoor sources of NO₂ emissions. Other sources include improperly vented furnaces and water heaters.
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Pet dander
Pet dander is made up of tiny particles of skin, saliva and urine, shed by animals with fur or feathers. Pet dander lingers in the air before settling on surfaces such as furniture, bedding, and fabrics. Exposure to these airborne particles can trigger allergies.
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Particulate matter (PM)
Particulate matter contains microscopic solids or liquid droplets, measured in microns. Indoor PM can be generated through many day-to-day activities such as cooking, cleaning, and the burning of candles and fires.
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Purification
The process of making something free of any contaminants or physical impurities. Air purification is designed to filter the air in your home – removing pollutants such as dust, allergens and viruses.
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Volatile organic compounds (VOCs)
Volatile organic compounds are potentially harmful gases found in many household products. Common sources include paints, varnishes, air fresheners, cosmetics, and cleaning products.
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Pollen
Pollen is a powdery substance released from seed plants as part of their reproduction process. It typically appears from trees in the spring, grasses in the summer, and weeds in the autumn. Pollen grains are among the most common allergens.
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House dust mites
Dust mites are tiny insects that commonly live in household dust. They are one of the biggest causes of allergies. Each gram of house dust contains approximately 1000 dust mites.
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Aspergillus mould
A common name for a visible group of fungi, mould thrives wherever there is dampness – sending out millions of spores into the air. Exposure to mould occurs via inhalation, skin contact, or ingestion.
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Sources:
¹Allergy UK (2023) Pollens and moulds in the garden. Available at: https://www.allergyuk.org/resources/pollens-and-moulds-in-the-garden-factsheet/
²Filter efficiency tested to ISO 29463 adapted at max flow setting by an independent third-party laboratory. Capture rates may differ depending on real life usage.
³NHS (2023) Hay fever. Available at: https://www.nhs.uk/conditions/hay-fever/
⁴NHS (2023) Aspergillosis. Available at: https://www.nhs.uk/conditions/aspergillosis/
⁵Allergy UK (2023). Mould allergy advice. Available at: https://www.allergyuk.org/resources/mould-allergy-advice-factsheet/
⁶Mayo Clinic (2020). Seasonal allergies: Nip them in the bud. Available at : https://www.mayoclinic.org/diseases-conditions/hay-fever/in-depth/seasonal-allergies/art-20048343
⁷Allergy UK (2023). Outdoor Air Quality. Available at: https://www.allergyuk.org/resources/outdoor-air-quality-factsheet/