As commuters and commercial traffic cause pollution to build up over the course of the week, the likelihood of rain increases: it peaks by Saturday, after five days of weekday pollution has been built up.
Akibat polusi lalu lintas penglaju dan komersial menumpuk sepanjang minggu, kemungkinan hujan meningkat: hujan memuncak pada Sabtu setelah lima hari penumpukan polusi.