CLEAN : Hong Kong engulfed in smog as fears grow over air

The transcript discusses the experience of being in a city, initially finding it acceptable despite the shadows cast by tall buildings. However, upon taking a ferry, the speaker realizes the extent of pollution, noting its impact on visibility and health, particularly for those with respiratory issues like asthma. The speaker expresses surprise at the pollution levels, as the area was expected to be clean.

What was the speaker's expectation regarding pollution in the area?

What does the speaker imply about the cleanliness of the city?