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  • External resources, including pollen calendars and forecasts and air quality monitors and forecasts.

  • Hay fever is a very common allergy caused by pollen, house dust mite, pet hair or skin.

  • Outdoor airborne allergens are tiny particles in the air that can cause allergic reactions when people who suffer from hay fever or asthma breathe them in. The primary outdoor allergens include pollen and fungal spores.

  • Airborne allergens are particles in the air, including fungal spores and pollutants, that can cause or worsen allergic reactions and respiratory conditions such as hay fever and asthma.

  • It’s important to model and monitor the prevalence of airborne allergens so that people who are sensitised can adjust their behaviours and medication.

  • There is evidence that air pollutants such as ozone, nitrogen dioxide and sulphur dioxide can exacerbate respiratory conditions.

  • This page contains information for coping with illness caused by airborne allergens like hay fever, asthma and allergies.

  • This page summarises Chapter 6 of the Health Effects of Climate Change (HECC) report with a focus on the impact of heat on outdoor allergens. This is part of the science and stats section for the hazard: heat.

  • Airborne allergens are particles in the air, such as pollen and fungal spores, that can cause or worsen allergic reactions and respiratory conditions including hay fever and asthma.

  • Indoor airborne allergens are particles present in indoor environments that can trigger allergic reactions or exacerbate respiratory conditions such as asthma.