Phân tích chất lượng không khí lịch sử Pingquan, Hebei, China

19°C13/26°C

21°C14/29°C

22°C17/29°C

23°C19/29°C

21°C17/27°C

17°C13/21°C

14°C11/19°C

14°C10/20°C

16°C9/23°C

18°C11/25°C

18°C12/25°C

16°C12/22°C

14°C8/21°C

16°C9/25°C

19°C13/28°C

21°C15/27°C

19°C14/25°C

19°C13/25°C

18°C16/23°C

18°C12/25°C

19°C13/27°C

20°C14/28°C

18°C15/21°C

18°C14/24°C

17°C14/24°C

16°C13/21°C

14°C10/20°C

16°C12/22°C

11°C8/15°C

11°C5/17°C