The cited sources give this account: Singapore has been grappling with severe haze, with air quality reaching unhealthy levels for weeks. The pollutant standard index (PSI) has shown all five regions of the city entering the unhealthy range simultaneously, a first since 2019. Residents are experiencing sore throats and irritated eyes, highlighting the immediate health impacts of the haze.

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The haze has affected not only health but also daily life. With the Formula 1 Grand Prix approaching, concerns have been raised about the event's visibility and atmosphere. Visitors report a gray filter over the city, making the experience gloomier. Many are staying indoors and seeking masks to protect themselves from the polluted air.

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The Singapore government has taken steps to address the crisis, including providing N95 masks and medical assistance. However, businesses are expected to bear the brunt of the haze's impact, with a projected 50% reduction in tourist spending. Experts warn that the situation could worsen due to a strong El Nino and increased demand for biomass fuels, raising concerns about transboundary haze.

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Air Quality Impact: all five of the city's regions entered the unhealthy range at the same time. It's the first time that's happened since 2019 (0:00); Economic Impact: generates around $100 million a year in tourist spending (1:04); Health Impact: Many are suffering from sore throats and irritated eyes (0:00)
Source excerpts and timestamps from the recording; statements are not independent factual verification.