Phân tích chất lượng không khí lịch sử Fengning County Environmental Protection Bureau, Chengde, Hebei, China

12°C10/15°C

12°C6/13°C

11°C8/17°C

11°C9/15°C

12°C9/15°C

14°C8/20°C

13°C10/16°C

11°C7/13°C

11°C8/16°C

13°C10/18°C

14°C11/18°C

14°C11/17°C

13°C10/15°C

14°C10/18°C

14°C11/19°C

16°C11/21°C

16°C13/21°C

15°C12/19°C

13°C10/17°C

16°C12/21°C

14°C12/15°C

12°C9/16°C

13°C7/20°C

7°C3/11°C

6°C4/8°C

7°C4/8°C

11°C7/17°C

12°C9/15°C

13°C8/19°C

13°C10/19°C

--°C/°C