KUALA LUMPUR: Johan Setia in Selangor was the only location to record unhealthy air quality as of 8.30am today, with a reading of 152.

According to the Department of Environment's Air Pollution Index (API) Management System, a total of 64 areas across the country recorded moderate API readings, ranging from 52 to 97.

Among the highest were Pegoh in Ipoh, Perak (97); Shah Alam, Selangor (96); Putrajaya (95); and Tasek Ipoh, Perak (94).

Only three locations, namely, Balik Pulau in Penang, Kangar in Perlis, and Langkawi in Kedah, recorded good air quality.

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An API reading between 0 and 50 is good, 51 to 100 is moderate, 101 to 200 is classified as unhealthy, 201 to 300 as very unhealthy, and more than 300 is hazardous.

Malaysian Meteorological Department (METMalaysia) reported haze alert involving several states in Peninsular Malaysia.

Its director-general Dr Mohd Hisham Mohd Anip said there were 79 hotspots in Sumatera, possibly contributing to the haze carried by south-westerly winds.