I just want to share my experience though it is almost 6-7 years ago. I rent a house in Metro Town (都會駅). The smell is very strong when it is sunny day after raining, so that is why the smell is not so frequently happened. I remember those blocks facing SE is very serious. We complained a lot to the hot line of the EPD but nothing can help. I don't know it has improved after these few years.
The environment and facilities there are very good except the smell!! Better think before regret.