Batu Pahat records highest API as six Johor areas hit unhealthy levels
JOHOR BARU: Johor continued to bear the brunt of the haze today, with six areas recording unhealthy Air Pollutant Index (API) readings.
On October 4, 2026, Malaysia's Air Pollutant Index Management System (APIMS) reported unhealthy air quality in seven locations - six in Johor and one in Sarawak. Batu Pahat and Segamat in Johor topped the list with an API reading of 153, while Kluang, Pasir Gudang, Larkin, and Tangkak recorded 150, 149, 148, 148, and 142 respectively.
In Sarawak, Samarahan had the highest API reading of 152. Across the country, 57 areas reported moderate air quality, including Shah Alam (90), Kuala Terengganu (64), Alor Setar (57), Nilai (97), Cheras, Johan Setia, and Putrajaya (all 88). Sarawak's Kuching, Sri Aman, and IPD Serian recorded moderate air quality at 94, 98, and 99 respectively.
The remaining three areas with good air quality were Sandakan (48), Langkawi (36), and Kangar (34). API levels range from 0-50 (good), 51-100 (moderate), 101-200 (unhealthy), 201-300 (very unhealthy), and above 300 (hazardous).
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- Unhealthy air quality hits seven locations in Johor and Sarawak thevibes.com
- Unhealthy air quality in several parts of Johor freemalaysiatoday.com
