High pollen levels set to trigger hayfever this week - here's the forecast for North Wales Some areas may even experience 'very high' levels this week 05:00, 28 JUN 2021 Sign up to FREE email alerts from NorthWalesLive - Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Hayfever sufferers may want to prepare for high levels of pollen in parts of North Wales over the next few days. Levels are due to be 'high,' and in some cases 'very high,' across the region this week, according to Kleenex's 'Pollen Pal' tracker - which predicts pollen severity in a given area.