Weather Condition               Temperature (high/low)

Lhasa        overcast to drizzle              22/12 degrees centigrade
Qamdo              shower                     26/12 degrees centigrade
Nyingchi           drizzle                    22/13 degrees centigrade
Shannan       drizzle to cloudy               23/11 degrees centigrade
Xigaze             drizzle                    21/11 degrees centigrade
Nachu              shower                     15/6 degrees centigrade
Ngari              cloudy                     22/10 degrees centigrade

Air Quality in Lhasa: particulate matter I
(The China Environmental Monitoring Center classifies air quality in urban areas into five levels: level I or excellent (pollution reading: not exceeding 50), level II or fairly good (pollution reading: 51 to 100), level III or slightly polluted (pollution reading: 101 to 200), level IV or poor (pollution reading: 201 to 300), and level V or hazardous (pollution reading: over 301).)