In Malaysia, few times if lucky, tourist will experience some kind of fog daylight. Fog usually happen here in the morning or at the hill areas . This type of fog is cool and refreshing.
But the other type of fog can make the whole day very dim. Plus you can look up at the sun is a disaster. It’s the haze from land clearing fires. Not originated locally but from the neighboring countries. Read in the latest news here.
Although this phenomena will be clear according to wind and rain, the haze can affect general health especially for the children. When things like this happen, follow basic respiratory health tips like wear face mask, drink lot of plain water, don’t smoke and lessen the outdoor activity.