JOHOR BARU - The air quality in some parts of Johor, Pahang and Terengganu was at an unhealthy level on Friday morning (Sept 25).

As at 11.00 am, the Air Pollutant Index (API) readings in Johor state are: Pasir Gudang (194), Larkin Lama (190) and Kota Tinggi (129). The haze in Muar, however, has drastically reduced in the past week, with an average API reading of 70 as of 10.00 am.

API reading from 201 to 300 is considered "very unhealthy", 101 to 200 is considered "unhealthy", 51 to 100 is considered "moderate", while 0 to 50 is considered "good".

Kuantan in Pahang also had unhealthy readings, with Balok Baru recording 159 and Indera Mahkota 136.

In Terengganu, unhealthy readings were seen in Kemaman (153) and Paka (113).

The rest of Malaysia had either moderate or good API readings as at 10.00am.

Places with good API readings included Penang, Pulau Pinang, and most parts of Sabah and Kedah.