Organisers of this weekend's Singapore Grand Prix have finally reacted to fears the event is under threat from a haze, the result of forest burning in nearby Indonesia.

A brief statement issued this afternoon reads:

"Based on the current PSI levels, there are no plans to amend the published racing and entertainment programme.

The haze situation is highly changeable not only from day to day, but from hour to hour. Therefore, it is currently not possible to reliably predict what the PSI level might be over the race weekend. We will continue to work closely with all the relevant government authorities to receive the best possible forecasts when they are available.

Singapore GP has put in place a number of measures for the race weekend:

In order for our patrons to make informed decisions on the haze situation, the PSI reading and relevant health advisory will be displayed on the Singapore GP website, official Singapore GP mobile app, the giant screens between races and broadcast on the in-circuit radio system. The government health advisory will also be posted at all Circuit Park entrances.

N95 masks will be available for patrons throughout the Circuit Park at cost price.

All of our 24 medical and first aid posts have been placed on standby to handle any possible haze-related conditions."