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F1 bosses possess a"contingency plan" and issued warnings to cope with bad air quality at the Singapore Grand Prix.
A cloud of haze has descended on the city after forest fires in neighbouring Indonesia.
It has motivated Singapore's National Environment Agency to warn individuals to"reduce strenuous or prolonged outdoor physical exertion".
"Race organisers have taken measures to reduce the effects of the haze for your race ," that an F1 spokesperson said.
"They have put in place several steps, including general information in the circuit"
The night race in the Marina Bay Street Circuit is famous to be physically due to its own humidity.
Singapore race officials say the air quality situation is"highly changeable" meaning it's"impossible" to predict the PSI - Pollutant Standards Index - level to your race weekend but that they will"monitor it closely" with the race is scheduled to proceed as proposed.
Driver Lewis Hamilton leads the championship by 63 points going into the weekend, with seven races of the year remaining.
The world champion has won in Singapore.
The history tradition!
Analysis and comment from the BBC's chief Formula 1 author.
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