Portola, California, United States Historical Air Quality Analysis

17°C8/26°C

18°C10/27°C

20°C12/28°C

19°C13/28°C

17°C13/23°C

16°C11/22°C

15°C9/22°C

17°C10/25°C

18°C10/27°C

20°C11/30°C

18°C11/26°C

18°C10/26°C

17°C10/27°C

15°C10/21°C

13°C8/17°C

8°C6/13°C

10°C5/15°C

9°C5/13°C

7°C4/12°C

10°C5/17°C

8°C2/16°C

9°C2/18°C

13°C4/21°C

13°C6/21°C

11°C6/19°C

8°C4/13°C

6°C2/10°C

7°C2/16°C

6°C3/10°C

6°C2/10°C

--°C/°C