Milton Blue Hill Observatory, Milton, Massachusetts, United States Historical Air Quality Analysis

20°C13/28°C

23°C17/30°C

25°C21/31°C

20°C16/20°C

18°C14/21°C

17°C13/21°C

17°C16/19°C

20°C13/26°C

19°C16/23°C

19°C12/26°C

21°C17/25°C

19°C17/20°C

17°C14/21°C

17°C14/20°C

21°C17/27°C

21°C18/26°C

16°C12/19°C

14°C6/20°C

15°C7/24°C

19°C14/26°C

18°C16/19°C

19°C17/22°C

21°C18/28°C

19°C15/25°C

21°C17/29°C

20°C13/27°C

17°C13/24°C

13°C9/18°C

11°C6/18°C

13°C6/22°C

--°C/°C