Listen to this articleFlames rise from a paddy field in Pak Phli district of Nakhon Nayok on Tuesday. The blaze was 100% under control after a handful of new flare‑ups overnight were swiftly doused, governor Chanon Wasiksiri confirmed in a press briefing at the Pak Phli district office on Thursday. More than 50% of the land in Tha Rua is deemed at high risk for illegal field burning. Residents who witness field burning in Pak Phli are urged to contact the district chief directly on 081‑867‑1506. Nakhon Nayok and other provinces in about one-third of Thailand, including Bangkok, recorded red levels of PM2.5 fine-dust pollution on Wednesday morning.