Weather is often the bigger issue
Health conditions can vary greatly by region, season and elevation.
Heat
Hot and humid summers can affect cities including Shanghai (上海), Chongqing (重庆) and Guangzhou (广州).
Cold
Winter in northern China can be severe.
For Harbin (哈尔滨), proper winter clothing is not optional.
Sun at altitude
High-altitude destinations can have intense ultraviolet exposure even when the air feels cool.
Air quality
If you are sensitive to pollution, check current local AQI, reduce strenuous outdoor activity during poor conditions and consider a well-fitting particulate mask.
Severe weather
Depending on region and season, travel can be affected by typhoons, heavy rain, snow and extreme heat.
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Last verified 2026-10-05. Procedures and limits change — check official sources before you travel.