Simmering state: Apartments slightly shrouded by ground-level ozone with a moderate API reading of 124 in Batu Muda yesterday.
PETALING JAYA: Scorching heat is forecast on March 20 due to the equinox phenomenon.
The current hot spell could cause a heatwave if the temperature exceeds 35°C for five straight days, or 37°C for three consecutive days, said Science, Technology and Innovation Minister Datuk Wilfred Madius Tangau.