Air quality at its worst in Johan Setia with API above 200

A security guard at SK Jalan Kebun putting up a notice to inform parents and pupils that the school is closed due to very unhealthy haze conditions. — Photos: FAIHAN GHANI/The Star

KLANG residents woke up to foul, acrid odour in the air, a thick blanket of smog that shrouded the skyline and unusual humidity yesterday.

Those on the way to work were seen using face masks and handkerchiefs to avoid breathing in the bad air.