Henan Medical University, Zhengzhou, Henan, China Historical Air Quality Analysis

3°C-1/8°C

4°C0/7°C

8°C3/13°C

8°C3/14°C

11°C6/17°C

13°C8/18°C

15°C9/22°C

8°C3/9°C

4°C2/7°C

7°C2/13°C

10°C5/15°C

12°C8/18°C

15°C9/23°C

18°C11/26°C

14°C10/17°C

7°C3/9°C

8°C4/14°C

8°C6/11°C

9°C7/9°C

9°C6/12°C

6°C3/8°C

1°C0/2°C

4°C1/8°C

8°C3/14°C

8°C5/12°C

9°C6/15°C

7°C2/11°C

5°C3/8°C

9°C4/15°C

10°C7/14°C