Some areas in North China will see smog at the start of the National Day holiday period (Oct 1-7), but weather conditions in most parts of China will be favorable for outdoor trips, the national weather forecaster said on Thursday.

Smog in northern areas, including Beijing, will last from Oct 1 to Oct 4 as a result of static atmospheric conditions that prevent dispersion, said Zhang Zuqiang, spokesman for the China Meteorological Administration, at a news briefing.

The country is expecting a travel peak at the beginning of October as family members reunite and tourists take to the roads, railways and skies.