Singapore has activated haze reponse plans and advisories for different sectors as the country's 24-hour PSI reading exceeded 100 and crossed into the "unhealthy" band on Friday (Sep 4). In a video statement, Minister for Sustainability and the Environment Grace Fu cautioned against prolonged or strenuous outdoor activities amid poor air quality and advised the public to refer to NEA's website for updates. #sgnews #singapore Subscribe to our channel here: https://cna.asia/youtubesub Visit our website: https://cna.asia Download our app: https://cna.asia/app Get our editors' picks of stories via chat apps: Telegram: https://cna.asia/telegram WhatsApp: https://cna.asia/whatsapp Follow us on these platforms: https://www.facebook.com/channelnewsasia https://www.instagram.com/channelnewsasia https://www.tiktok.com/@channelnewsasia