PETALING JAYA: The haze continues to worsen in Malaysia with 22 areas recording unhealthy Air Pollutant Index (API) readings as at 12pm Tuesday.

According to the Department of Environment (DOE) website, Port Klang recorded the worst API at 175 followed by Shah Alam (154), Kuala Selangor (140), Batu Muda, Kuala Lumpur (132), Petaling Jaya (132) and Banting (130).

Other areas with unhealthy air quality were Bakar Arang and Sungai Petani (113), Bukit Rambai, Melaka (109), Port Dickson (108), Seremban (103), Jerantut, Pahang (118), Jalan Tasek, Ipoh (116), Kg Air Putih, Taiping (101), SK Jalan Pegoh, Ipoh (122), Seri Manjung (120), Tanjung Malim (128), Seberang Jaya 2, Perai (105), Kemaman, Terengganu (103), Kuala Terengganu (111), Cheras (114) and Putrajaya (120).

Meanwhile, Tawau, Sabah was the only area from Borneo that recorded an unhealthy API of 119.

A reading of 100 to 200 indicates unhealthy air quality, while 201 to 300 is very unhealthy and above 300 hazardous. A reading of 51 to 100 is moderate.