As thousands of students in the Midlands begin sitting their GCSEs and A-Levels, there are fresh calls to consider moving the exam season to help hayfever sufferers.
Research shows pupils with hayfever are 40% more likely to drop a grade between their mock and final exams.
Students at Wyggeston and Queen Elizabeth the First College in Leicester say it all adds to the pressure.
The recent sunshine has seen pollen levels soar and it is set to get worse before it gets better.
In fact this year we could see the highest pollen levels in decades as Lucy Kite has been finding out.
We featured this man on ITV News Central back in 1982 when he invented the answer to a hayfever sufferer's prayers. Needless to say, it didn't catch on!
It's a subject that gets right up the nose of 12 million people in the UK, hayfever! This can be a miserable time of year, especially in The Midlands where we have the highest pollen levels in the country.
What's more this year levels are expected to peak higher than in 50 years and it's all down to the weather. The cold spring meant a late start to tree pollen season allowing several pollens to combine and peak at the same time.
Lucy Kite has been meeting the Midlands scientist Beverley Adams-Groom from the National Pollen and Aerobiology research unit at Worcester University who told us why pollen levels are so high...