Australia fires: How poor air quality affects tennis players

Maria Sharapova
Maria Sharapova’s exhibition match on Tuesday was ended early because of the air quality
2020 Australian Open
Venue: Melbourne Park Dates: 20 January to 2 February
Coverage: Listen on BBC Radio 5 Live Sports Extra and online; Live text on selected matches on the BBC Sport website and app.

Coughing fits, retirements and player anger – this week’s Australian Open qualifying has been repeatedly affected by the country’s ongoing bushfire crisis.

So how does the “very poor” air quality affect elite athletes?

Professor of sport and exercise science John Brewer explains.