Haze not ‘a threat’ to Singapore Formula 1 race, but entertainment activities may be curbed

Motorsport’s governing body said transboundary haze from Indonesian fires, which pushed air pollution in Singapore into unhealthy levels on Thursday, did not “represent a threat” to this weekend’s Formula 1 race in the city state.

Singapore’s air quality again crossed the threshold, making it one of the most polluted cities globally, according to the Swiss-based air monitor IQAir.

“Air quality levels are being monitored by the relevant local authorities, and appropriate contingency measures are...